Originally Posted by walsh
You may regret it when you're 80
Keep an eye out for diaper sales, should start stocking up.
But normal penetrative anal sex with penis-sized or smaller objects should be harmless, as long as you're not feeling pain. Pain means slow down. No stretching, only relaxing,
But it also looks like the OP is looking to bust a nut to people describing techniques, not to actully stretch anything.