Ask the person below you any question

Nothing in particular it just happens from time to time without premeditation.

Does play a major role in your life or is it just a thing you need from time to time?

Does what play a major role? You're missing a word.

I shall assume you meant to put "sex" in there given where we are. Sex does play a major role in my life. Or, more properly these days, its absence does.

If your car keys or wallet is missing, where's the first place you look?