Originally Posted by ASU2003

Holding your breath is something to try. Also try and tense up your muscles around 10 seconds before you think you will have one. Mentally you aren't focused on "will I cum or not", but on the sensations and muscle response. But, maybe I have trained my body to work in a certain way, so it might not work for everyone.

If it works, great. If not, you had fun trying.