Good Source of Cardio

Does anybody know approximately how many calories are burned during a good 15-20 minute stint of masturbation? What If there’s a plastic bag over ones head? Does the lack of oxygen significantly limit the benefits?

[quote]BrownTrout wrote:
Does anybody know approximately how many calories are burned during a good 15-20 minute stint of masturbation? What If there’s a plastic bag over ones head? Does the lack of oxygen significantly limit the benefits? [/quote]

whatever calories you burn, you’re just going to consume when you’re partner is done browntrout.

peace