It's nice to compliment someone when they look good.
Joe has a partner who is dressed up quite nicely for an event they are attending together.
Joe wants to have a good time at the event.
Joe compliments his partner in front of his friends while they have drinks together.
Joe ignores the effort his partner put in to look good and focuses on having fun with his friends there.
Joe's partner feels beautiful and loved.
Joe's partner feels underappreciated and is very sad.