The presence of obsessions or compulsions, or both, are what distinguishes obsessive-compulsive disorder from other conditions. The obsessions or compulsions cause marked distress, are time-consuming, and interfere with a person's normal functioning.
(1989) concluded that everyone excretes stinky compounds in their urine after eating asparagus, and the only variation is in ability to smell them. Other papers using chemical tests and carefully controlled smelling tests show that there is variation in excretion of sulfur compounds in urine after eating asparagus.
Maybe (not) . . .: Urine can smell funny after eating asparagus so perhaps it's just due to a change in diet. But if you're at risk for a sexually transmitted disease (std) or infection b/c unprotected sex in a non-monogamous relationship, then go see your family doc for testing.