Spend more time with your tongue in our pussies, and figure out how clits work.
Talk to her find out what she likes and dislikes. I also agree with the comments above. Spend more time on foreplay
Stop using women's bodies as a tool to make yourself orgasm. Be more calculated and attentive to her needs. Make it as pleasurable as possible not just for yourself.
Right now I can not think of a time that sex was not good. Having Said that there is almost always a way to improve sex.
No Guys you must know and if you do not know here it is " No Two Woman are exactly alike"
So the key is COMMUNICATION, COMMUNICATION AND COMMUNICATION.
Quit eating Goldfish crackers in it, is the only thing I've been told.
Put some candles on the bedside table and DON'T MAKE ME GET UP TO TURN THE LIGHT OFF.
Improve oral skills! I give as good as I get! If I don’t get they don’t get!
Use more toys. If you’re worried about sexual prowess a vibrating cock ring or a bullet vibe are your best friend. Stop feeling emasculated by big ol toys.
"A dirty book is rarely dusty"
Spend more time on oral before we fuck, and don't forget to lick me clean after we do!
I mean, I don't think there's one answer to this question. Not all guys need to improve in any specific area, and no guy (nobody) is the same as another. That said, in general, it's been my experience with the demographic of dudes I have slept with, that they often get fixated on one thing during any given encounter - my mouth, my ass, etc. (occasionally my feet), and sometimes I wish more attention would be paid to my whole body.