Exitmusic--
Excuse my sloppy typing.  I should have crossed the room for my glasses.
Quote:Somce upi twp are a couple, obviously you'd rather he didn't delegate buying a Rregnancy Testing Kit to someone else. 
Don't feel tarnished. You haven't been wicked--just lacking in foresight.
 
Translation:  Since you two are a couple, obviously you'd rather that he didn't ask his mother--or anyone else--to drive him to the drugstore for a pregnancy kit.
You mention feeling slutty and soiled--tarnished is a less provocative word.  Sex isn't wicked, but enjoying sex without risking pregnancy takes some planning.