Guess I should not try to use pertty ten dollar words... yes I mean not go soft. Usually if I slip, I can just give a squirt and hold most of it back, and continue after a moment.

One thing that some men never learn is that when you "Clench up" ... it's like stepping on the accellerator... it makes you feel great, but it speeds you toward orgasm. Men need to learn about the brakes... which is another sensation... like bearing down like you have to take a dump.
If you exercise your PC muscles, you need to strengthen them in both ways to ensure good control