*Bell rings* “When I wake up in the morning/And the alarm gives out a warning/I don’t think I’ll ever make it on time!”

If your partner doesn’t know this theme song, they're too young for you, bro. Saved by The Bell, the classic NBC sitcom, turns 25 today, and, you must admit, those Bayside High kids really got around. On the school's daily menu: first loves, heartaches, make-ups, break-ups, and every 'fist-fight over the same girl' in between. Indeed, Zack and the gang schooled us all a thing or two about matters of the heart. Here are 10 things Saved by The Bell taught us about relationships.