AN: Here's the first M Chapter, so if you're not here for these chapters, wait till the next one. I didn't write too many M chapters, since I didn't want to make this just smut, but there are a few. I'm glad that you've been enjoying these chapters so far.

Fuck

He loved doing this to her. He loved being able to do this to her now. He had dreams about what it would be like, to tease her, to taste her, to kiss her, to make her scream his name when she reached that point of no return. They had been intimate for the first time about five months now and he still loved doing this. He knew he always would.

He had two of his fingers inside of her and his mouth was pleasuring her clit. He hummed against her, flicked his tongue against the sensitive skin, and of course sucked. The moans that were coming from her was what he was going for, but there was something else that he was going for as well. What he was going for was something she did only a few times since they've been together. He knew that she always enjoyed and felt pleasure when they were intimate, but when she did this, he knew that she was really enjoying herself.

One of her hands were in his hair, as if she was holding him there. She knew that he wasn't going to go anywhere until he got exactly what he wanted from her. Her other hand was gripping the sheet that was beside her, wanting to hold onto something besides his hair. Her legs were draped over his shoulders and he could feel her legs twitch each time he hummed against her clit.

He made sure to keep the pace of his fingers slow at first, much like how he sucked her sensitive skin. He didn't want this to be quick. No, he wanted to make sure that his girlfriend was very satisfied with the multiple orgasms he had planned on giving her tonight. They had just gotten home from a long case, took a few weeks to solve, and he wanted her to relax. He wanted to get rid of any tension that she may have been still feeling. He always wanted to make sure Kate felt like her normal self, even before they were together. Now, he got to do that in the more pleasurable and delicious ways.

Which is exactly what he was doing now. Even though he loved it when she pleasured him with that talented mouth of hers, he loved pleasuring her more. He was never that type of guy before her. Sure, he wasn't someone that demanded anything or pressured any of the women that he was with to do something they didn't want to do. However, he looked forward to them pleasuring him more. He would return the favor, but it was never like how it was with Kate. He made sure to take his time, made sure to touch every spot on her body, and made sure she knew just how much in love he was with her.

Of course, he proved how much in love with her he was in other ways too and not just when they were intimate like this. She proved that to him too. Even though she hadn't said the words yet, which he was getting a little impatient about, he knew that she loved him with her actions. He wasn't going to rush her to say the words, but he would admit he was impatient to hear them. He knew if he pushed though, he would get nowhere. He just had to wait for Kate Beckett to be ready, just like he waited for her to show up at his door and kiss him like she had. That night wasn't what he had expected when Kate finally gave into her feelings for him, but it was definitely a night to remember. He would say that he wouldn't change a thing, but he could have done without the fight that they had and the part where she almost died.

He wasn't thinking about that now though. No, he was just focused on giving his girlfriend an orgasm. Castle started moving his fingers in and out of her faster and harder and also sucked on her harder. The loud moan that escaped her told him that she was enjoying the change of pace. That and her fingers pulled his hair slightly and they grabbed more of the sheet that she was gripping. He knew that he had her and that it wasn't going to be too much longer until Kate Beckett had her orgasm. He was going to enjoy every second until she did and he planned on making her feel the same way.

He flicked his tongue against her sensitive skin a few times in a fast pace, which also caused a moan from her, and hummed against her before he started sucking a little faster. Her legs twitched and her hips started to buck. That told him right away that she was even closer than he thought and that he was going to get that one word, the word that drove him crazy, escape her lips before she had her orgasm.

He picked up the pace of his fingers, knowing that that would bring her over the edge. A louder moan escaped her and then, then it happened.

"Fuck," she moaned out as she had her orgasm. "Castle!"

He loved hat she screamed his name, but he loved that fuck better. He released her clit from his mouth, knowing that she was going to be sensitive, but he kept his fingers going in and out of her. He had slowed down his movements, but he wanted her to enjoy her orgasm for as long as she could. He watched the way her chest moved up and down, how her fingers still gripped the sheet next to her. He slowed down the pace of his fingers until he finally stopped.

He brought his fingers to his mouth and sucked them clean. He let a groan escape her lips He then moved and let his tongue clean her, which caused another moan to escape her. He was tempted to try and make her have another orgasm, using just his mouth this time, but he refrained. Instead, he trailed kisses up her body and didn't stop until he reached her lips, pressing a soft kiss to her perfect lips. He really did love kissing her. He knew that was something that was never going to change. As much as he loved doing what he just did and being intimate with her, if he could only kiss her for the rest of his life, he would be content with that. Just as long as he got to kiss her, let her know how much he loved her through his kisses, he'd be just fine.

She slowly opened her eyes when she felt him pull away, giving him a soft, satisfied, smile. "God, Castle..."

He smiled at her. "I love it when you scream my name in bed, but I love it more when I get you to say..." He lowered his head, letting his lips barely touch hers, before he spoke in that low tone that drove her crazy. "...fuck in bed."

She smiled wider and wrapped her legs around his waist. "Mmm..."

He chuckled. "Not saying much, huh, Beckett?" He moved to place a nipping kiss to her neck before looking back down at her.

She gave him a look, something that said, "Shut up, Castle" and "Yea, you might be right," before she bucked her hips up into his, making him groan. It wasn't a hard buck, but it was enough to drive him crazy and get her point across. "You were saying, Castle?"

"You're right. There's no need to talk much." He moved back to her neck and placed a few more nipping kisses to her skin before looking back down at her. "Not when actions speak so much louder than words." They both smiled at one another before he leaned in and kissed her passionately.