Thing is, though, if he went and I didn't, I'd be doing the same thing I am this weekend, which is sit in my house and be bored while simultaneously not having the motivation to leave the house and be less bored.

True enough. Personally, if I went on the beach trip, I'd spend about a couple hundred bucks for the privilege of sunburn, bad memories, being fucked off and miserable, and this year enjoying the special bonus prize of watching Phil back at trawling the club for a girl half his age. So I'll take boredom instead. But that's me.