I have one friend who never has his own stash. He'll call me like once a month wanting me to come over and smoke him up. So now I don't go over there often, as he's a mooch and lives worse than a pig in a pigpen (seriously). When he comes over though, I tell him if he wants to get high, he can gladly clean out one of my pieces to get some tar. I put my stash away, he cleans them, smokes it, leaves, and my pieces are clean for smoking.

I smoke with my other friends though as they smoke me up. It's simple, you keep mooching off of me and don't put in, after time, I will stop getting you stoned for free, but if you put in sometimes, then I do the good thing and give back some smoke when it's time.

So basically, you smoke me up, I'll smoke you up. You mooch off of me, goodbye! clean my pipes if you are that desperate.