Great if that works for you, but I'd like to throw in a word of caution there. I for my part would feel very bad -- betrayed even -- if he forced the issue and I got punished later for simply not being able to hold it back...well, it would be devastating for me. Same applies for everything that is simply something I can't do. I like my tasks to remain in the realm of achievable. He doesn't need a reason to spank me, or inflict on me whatever he chooses to (within our agreed limits, that is), but to punish me -- seriously punish me -- I would have had to mess up somewhere. And this is something I try to avoid...simply because punishment. just. isn't. any. fun.
As far as the original question is concerned, I agree -- it takes some practice and getting used to (as does actually having to ask, grumble). For me, there is no real trick to it. It's all about wanting to hold it in...or more importantly, do what pleases him. The rest is just tensing my muscles and thinking "nononononononononononono, oh please nonono, not yeeeeeeet". That's probably not very useful, but it works for me (surprisingly, quite reliably).![]()