Hey guys! I have a school trip coming up in a week. Last school semester, hence last school trip.

I am a bit skeptical about this trip as I would be spending a week with my ex gf and the guy she monkey branched onto (both used to be my classmates) along with my class friends (20 people total). I have maintained no contact whatsoever with her. I am not allowed to bring my girlfriend for this trip (she's from a different school, this is a same school, same class thing).

I'm worried seeing my ex and her guy being lovey dovey will crack my frame (I ignore her if we ever bump into each other in school, but a week together is a different ballgame) and potentially ruin the trip. Leaning towards skipping the trip. Thoughts?