Do people have these, and do they actually follow through with them, or or they all just talk?

"Ohhh I could NEVER go out with someone who didn't ___________!"

Do these exist? Do you have a deal breaker? Have you ever gone out with someone who enforced their deal breakers on you? Does this rash look serious to you? So many questions about love. But when you think about it, is there anything more important? ~