Completely Unrealistic TV Relationships
Happy Days

Actors Ron Howard, as Richie Cunningham, Henry Winkler, as Arthur "Fonzie" Fonzarelli, and Marion Ross, as Marion Cunningham, in a scene from "Happy Days," circa 1975.

Fotos International/Hulton Archive/Getty Images

We invite them into our homes, become deeply invested in their personal and romantic lives, and follow their stories as if our own destinies are at stake. We understand, of course, that they are the mere figments of writers' imaginations, and yet we expect the relationships between our favorite TV characters to strike an elusive balance between too real and not real enough. Too real is boring. We might as well turn off the television and talk to our own spouses. But too unrealistic can be a problem, also, interrupting our suspension of disbelief long enough for us to realize that the characters and their relationships would never fly in real life.

Some TV relationships are simply too good to be true. Sometimes the show's circumstances -- or the characters' reaction to them -- come across as wildly unbelievable. Sometimes two opposites just never seem to attract, or for reasons unknown, have a chemistry that never seems to click.

Whatever it is that makes many well-known TV relationships seem improbable, we can't help but tune in, week after week, rerun after rerun. Here are 10 completely unrealistic TV relationships that we still love to watch, despite -- or perhaps because of -- their consistent departure from reality.