How Long Do You Last in The Sack?

How do you calculate the time you spend having sex? What is a good length of time for you to engage in sexual intercourse? Some guys brag about being in the sack for an hour or more but make no mistake. This doesn't just include actual intercourse. This one hour claim also includes forplay leading up to intercourse. Actually, the amount of time you spend during intercourse depends on your situation. If the man is wearing a condom, it will take him longer to cum especially if he isn't circumcised.  The time spent in the vagina until ejaculation also has to do with age and get this, ETHNICITY. The average time for a black American man