Yes, love is arbitrary. More or less. Even factors most people would agree are essential, like, "not be an abuser/asshole," aren't universal.
I think a beautiful smile way overshines grinding her teeth. No contest.
"Neat and easy to understand source code"
Now that's an underappreciated one. Way too low score on that one.
"Will hit you with a pointer rod."
And that's a red flag.
He missed one: "Being able to think of so many reasons off the top of his head." +10 000.
Overloaded. Both of them, really.