I haven't had anything in them for a while, but both my ears are pierced one time.
And yes I know that's odd for a male, exc.. Well it doesn't mean anything other than I felt like it (also got tired of all the ones I saw that I liked only came in sets of two - and I hate to waste things, o.k.!?
Oh and BTW - that was self-piercing, with just a self-piercing stud, rubbing alcohol, ice, and my fingers.