A neighbor suddenly falls ill and your OTP and their friends have to take care of their baby. After teaching them the basics, the friends abandon A and B to fend for themselves for 3 days with the infant. (Bonus: They have no experience with babies.)
Okay, so I've taken a few liberties with the prompt. Technically, Rose and the Doctor are living on the Tyler estate and neither Jackie nor Pete are ill. And the Doctor, being a dad and grandfather, has experience with babies. Albeit Gallifreyan babies.
"Rose, I hate to ask it of you, but could you watch Tony tonight? Pete has a company party that he needs to make an appearance at and we were thinking that since we're already out, we might as well take advantage of it." Jackie soothed the crying baby she held, her eyes pleading with her daughter. "I would have arranged for a sitter but it's so last minute, I can't find anybody. Anyone! Can you believe it? It's not even a weekend."
"Mum… You know that we work for Torchwood as well. There's no company party." Rose wrinkled her eyebrows in confusion.
"Not for Torchwood, Vitex sweetie. He plum forgot to tell me about it and of course you know how absent-minded he can be. It's just for the night, Rose."
"All right, Mum." Rose smiled as her mother bundled the child into her arms and cooed at her baby brother. She listened half-heartedly to Jackie's instructions, letting Tony play with her fingers. Jackie disappeared to her room, returning ten minutes later in an evening gown.
Jackie kissed her children, giving Rose enough last minute instructions to cover her being away for a week. "Say goodbye to Mummy," Jackie stroked her son's head before heading to the garage to join Pete.
Rose bounced Tony on her knee for a few minutes, staring into the eyes of her brother. "Well, Tony, looks like it's you and me for tonight. At least until the Doctor comes home, so we'll see when that is," she chuckled, knowing how the Doctor loved to spend time tinkering in his lab.
Tony grabbed for Rose's hair, screaming in delight. Rose winced, gently untangling his fingers from her hair, and placed him back into his playpen. She disappeared briefly, grabbing a stuffed bear from her parents' room for Tony and some magazines from her own suite.
Rose held the toys up in front of her brother. "Which one would you like to play with, hmm? How about the nice Mr. Ted E. Bear?" She placed the animal in the pen next to her brother and, grabbing some pillows from the couch, lay down next to Tony. She riffled through the fashion magazines, snickering at some of the more outlandish outfits; after going through about five, she reached for one of the Doctor's scientific journals. The journals were Rose's 'welcome home' gift for the Doctor, something to keep him interested in day to day life. With some concentration, Rose was able to make sense of some of the articles and was halfway through a paper on multiverse theories when Tony decided to scream.
"Hey, Tony, don't cry, don't cry," Rose hurriedly soothed the baby. Predictably, Tony ignored his sister and continued his crying fit. "Hey, Tony. C''mon, where's that smile?" Rose stared into his face and willed the child to stop his screaming. Tony Tyler had quite the impressive set of lungs. He screamed and cried and fussed and squirmed. Rose tried to get him a snack, which he promptly threw on the floor and continued to wail. She was her wit's end when the Doctor came strolling into the room, a goofy smile on his face, though that was soon wiped clean when he saw the sight that greeted him.
Quietly, the Doctor took the child from Rose and soothed him. Tony was soon sound asleep and, after putting him to bed, the Doctor slid an arm around Rose and pulled her close. "Bad day?" He sympathized.
"It took a slight turn towards south when Mum told me she and Pete were attending a party tonight and decided to take a spontaneous holiday, leaving me to watch Tony for the past four hours." Rose cuddled closer to the Doctor, yawning.
"Pete and Jackie have swanned off on holiday? Who's to watch Tony?" The Doctor was aghast.
"We are, you nut. Were you not listening?" Rose was tired. It was just like the Doctor to miss the human element of her statements.
"And how are we going to manage that, exactly, when we're at Torchwood?"
Rose hadn't considered that, today being her day off. "I suppose we're just going to have to ask for a few days off," she replied flippantly.
Tony slept through dinner, allowing Rose and the Doctor some much needed 'becoming-reacquainted-couple' time. Foreheads touching, hands freely exploring and intense snogging was rudely interrupted around ten o'clock. Rose froze, her head falling to the Doctor's bare chest.
"Be back in a few minutes," she smiled half-heartedly, grabbing the nearest article of clothing (the Doctor's oxford) and heading for her brother's room. The Doctor could hear Rose anxiously soothing Tony in the next room, and decided to try to help.
He slipped into his pajama bottoms and padded into the nursery. Wordlessly, he took the child and, within seconds, managed to calm him enough to be lulled to sleep. Rose watched, exhausted, from the doorway. He lay Tony back into the crib, stopping when he saw Rose. "Come on, Rose."
"You make it look so easy," she sighed, allowing him to lead her back to the bedroom. "You, and Mum both."
"Chin up. It's only two more days." The Doctor pulled Rose close.
The next morning, Tony awoke bright and early. The eleven-month old's shrill screams were loud enough to wake even the deepest sleeper (the Doctor). The Doctor automatically reached out to comfort Rose (and let her know that he would take care of Tony) only to find that the bed was empty on her side. Sliding his feet into slippers, the Doctor peered into the nursery. Rose was already tending the child, changing his nappy and, judging by the pillow in the rocking chair, she had awaken in the middle of the night to check on Tony and spent the night in the nursery.
"Day two started at about four o'clock this morning," Rose said tiredly. The Doctor automatically looked at the clock and cursed internally. It was already nine.
"I'll get his breakfast," he offered weakly. "Why don't you go back to bed?"
Rose was too sleepy to argue. "Kay," she yawned, handing Tony to the Doctor. "Phone Torchwood," she reminded him, rubbing her face and stumbling out the door.
"Are you ready for breakfast, Mr. Tony?" The Doctor asked the child in an overly-cheerful voice. He winced – he'd despised it when people spoke to children in odd voices (Time Lords, thankfully, were above that sort of thing and he'd never had a care about it back on Gallifrey).
Tony cooed happily. The Doctor took it as an affirmation and carried him piggy-back style to the kitchen, dumping the baby into the high chair. He opened the cupboard and pulled out the cereal and mushy baby food, giving Tony a handful of cereal. The Doctor, not finding the plastic spoon that Jackie used when feeding Tony, opted instead for a small spatula. He spooned some mush and gave the utensil to Tony, who promptly flung it against the far wall.
"Tony!" The Doctor was in shock. What sort of child threw its food against the wall? Didn't he know enough that he was supposed to eat it? The Doctor supposed not, Tony was human and his experiences with babies had been limited to his own children and grandchildren. He wiped down the wall, throwing the rag into the sink, and returned to Tony. "You're supposed to eat it. We don't want to wake up Rose." He chided the child gently, attempting the let Tony feed himself again. Tony immediately threw the spoon, this time hitting the Doctor's forehead. The Doctor scowled.
Rose entered the kitchen, still in her pajamas. "How's Tony?" She asked rhetorically. Though still clearly exhausted, it was evident that Rose had managed to sleep.
The Doctor grumbled. Rose looked up, this time noticing the mush that was dripping down the Doctor's face. She giggled. The Doctor pouted. Rose had Tony's spoon in hand and took over feeding her little brother.
"Did you phone Torchwood?" Rose asked, gratefully accepting a cup of tea from the Doctor.
"Not yet," the half-Time Lord realized that he had somehow lost track of time while attempting to take care of Tony. He hunted down his Torchwood mobile and called. Thankfully, it seemed as though Pete had already informed the office that he was going away and that his daughter was going to be absent. He chatted politely with his co-workers for a few minutes, before returning to the kitchen.
"So what are we going to do?"
For some pics to (sort of) go with the story:
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