Originally Posted by
perth
i agree with this advice. also, even if you do cum very early on, here's what you do:
1. tell her what a big compliment this is to her, that it's a sign that you're super-hot for her. she'll be flattered.
2. if you are planning to have sex, but came before you started (or right after starting), just get back to kissing, feeling each other, etc. give her some oral and/or fingering, which she will enjoy. kiss and lick all over her body, make her feel pampered. do that for about 20 minutes and you'll be able to get hard again, and since you just came you will probably last a lot longer this time. as a bonus, all that foreplay will make her adore you as an excellent lover.
3. use a condom! not only is this necessary for protection from STIs and pregnancy, it will also help you last longer.