my bf is scared to have sex with me?

[Shelby F]

weve been going out a good few months now and the times we do have sex he comes really quickly....which i dont make a big deal of as i love him! we went away for his birthday , nice hotel , king size bed at the weekend and we never had sex once i came out the bath naked in front of him, asked him to come in the bath with me, sat there in my towel rubbing his cock with my foot and he got hard.............still no advances made on me............... when we got home he text me saying im sorry about this weekend about not having sex, im just scarred you wont think im good enough and wont make you happy. this is not the first time hes said this eather ,it seems he scared to have sex with me ? how do i get him over come this problem ps. hes 25 years old