<human>: Can you succinctly summarize the text in 1-3 sentences?

Don't get me wrong, I love my (21F) boyfriend (24M) to bits, but when it comes to between the sheets... There lies my problem. 

For some rather annoying reason, he believes that when it comes to sex, he's a huge hotshot. Sure, he's packing it rather well when it comes to size, but he's incredibly selfish in bed. The 'last straw' for me happened yesterday when I decided to give him a BJ. About five minutes in, he pulled me on top of him and we proceeded with sex.... Which lasted all of one minute. Not enough time to get me off in the slightest. Once he finished, he sighed happily, grabbed his
<bot>: Boyfriend is selfish when it comes to sex. Once he comes, he doesn't finish me off and goes about what he was doing before.