Post orgasm torture on my bf ideas

I am doing post orgasm torture on my boyfriend tonight. I was wondering how long I should do it to him for? I usually do it for 2-3 minutes but I Was thinking of doing it for longer tonight. It is his 28th birthday ;)Comment with ideas of what I should do and how long. Get your own Orgasm Control toys: For men: http://www.amzn.to/1V6XQvv For women: https://ift.tt/1UWn54n