"Because clearly you don't want me here. I didn't want to come, you don't want me here, I don't know why I'm here in the first place." Stupid friends being tricky... Wes always knew what buttons to push and how.
"I know when I'm not wanted, Rielle. I don't go where I'm not needed. It isn't worth my time." Maybe it was a little over dramatic, but he'd had a little to drink already, and while he probably wasn't as buzzed as the rest of the party guests, he was certainly feeling the effects.