My boyfriend told me he likes receiving blowjobs (and I also like giving it to him) but he says I need to learn more to make it pleasurable for him. I tried to and watched tutorials and read stuff and we did it a few times. And he also liked it. But again he says the same and I am having negative images about myself. It usually happens whenever he is not being able to get aroused and he seems frustrated. We have a great relationship and have been together for years now. He told me again recently to learn more abort blowjobs. I try to take it positively and appreciate that he is telling me and wants to make things enjoyable for us. But I also feel weirdly under pressure. He also recently said my mouth is cold which makes then experience not so pleasant for him. I don’t know what to make of that. Like I have a normal human body temperature and this is something I am sure how to fix. A part of me really wants to improve and give him a good experience. Another part is experience withdrawal for any sexual engagement with my boyfriend. Also feel a bit low about myself..