You're a British Men of Letters. You're working for them and helping them take out the American hunters, but they've also been trying to trick the Winchesters into trusting them and helping them.

So, they asked you to help them with that... well, not asked, they ordered you to. That was your new mission. So, you were always around the Winchesters lately...

And you began to grow attached to Sam. There was something about him... he was sweet... intelligent... tall... and we'll, your physical attraction won out at some point.

You had been drinking with the boys the night before as they celebrated a good hunt... you and Sam both got very drunk... and you made a move....

It was now the next morning, and you woke up with a pounding headache, very naked, and in Sam's bed...