You shouldn't be overly distrustful of your romantic partner
Dan and Jenny are going on vacation with some of their other friends to a resort in Mexico.
Dan wants to go to dinner with everyone.
Dan appreciates that Jenny gets along well with all his friends when they are hanging out during the day.
Dan sees Jenny laughing and drinking at the bar with one of their male friends and accuses them of sleeping together.
Dan's friends love Jenny, and they enjoy their trip.
Dan and Jenny get in a big fight that ruins dinner and makes everyone uncomfortable.