A/N: Here's a bit of hotness for Christmas. Fifteen more to go! Merry Christmas. :)

Rule Thirty-Six: Never place a bet if you won't win.

A groan ripped out of his raw throat when Jethro started to move again. Two orgasms already and Tim wasn't sure he had another one in him, but Jethro was determined. "I can't."

"Come on, my mate. A bet's a bet." Jethro grinned fiercely, picking up the pace of his thrusts a little.

"I hate that Rule." And Tim did. He should know better by now than to wager anything with his mate. Jethro never lost. Tim knew this. But he'd been so sure that he would beat his mate this time.

It was stupid, really. He had been hot and bothered for most of the day, and Jethro had seemed quite content with their normal Sunday routine. A wolf run in the morning, pack business, then a break for lunch. More pack business and some leisure time late in the afternoon to wind down from the day. Jethro had gone downstairs to work on his boat, seemingly oblivious to his mate's aroused state, so Tim wandered down and made an off-hand remark about Jethro not being up to the task of satisfying Tim.

Wrong thing to say. Jethro had swept him off his feet and stomped upstairs, dumping him on the bed. Tim couldn't even find it in him to question it when Jethro said, "I bet I can."

The wager ended up being who went on coffee runs for a month. Tim was losing.

Jethro picked up his pace even more, slide hard and deep into his writhing mate. Despite Tim's protest that he didn't have anything left, the hard cock rubbing between their bellies said otherwise. "So you lose?"

"Yes! I forfeit! Just don't stop." Tim whimpered, oversensitive but still wanting the pleasure Jethro was giving him. Lucky, Jethro decided to have mercy and ground his hips into Tim's ass, the head of his cock rubbing hard against his mate's prostate and bite deep into a pectoral. Sure enough, as soon as Jethro bit him, Tim groaned brokenly and came hard for a third time, clamping his ass around Jethro's cock and dragging him into ecstasy also.

Chuckling and out of breath, Jethro smothered Tim with kisses. "I hope you won't question my virility again."

Tim shook his head quickly. "No. No, I won't. I don't think I'll be walking the rest of the night either."

"Good."

End.