honestly...try doing kegal exercises...what that is is the muscle you sqeeze when you can make your dick bounce up and down by itself...if you do that for like 5-10 min a few times a day, you'll shoot nuts like peter north...if you're going for volume, what works for me is to stop everything when your fuckin and about to nut, and let your dick get less sensitive, than keep going, and do that over like an hour, and you'll feel like a perpertraitor from facialhumilation.com...and yes, i'm a porn star