Not sure why I'm writing this, slightly embarrassed writing here 
My dp doesn't always finish when we make love, sometimes this makes me quite frustrated and makes me feel like I must be rubbish in bed, it also frustrates him but he assures me that it's not me and it's a problem he has always had.
Last week he worked away for a couple nights and when he returned we obviously wanted to make up for the time we were apart but again I was disappointed, he got quite frustrated and we ended up arguing a little. Last night ( after a break from trying ) we tried again, he told me he had finished but I didn't feel him cum ( I usually do ), I kind of went along with it but ( sorry if TMI ) there was no evidence that he had cum when I got up to go to the loo. I am pretty sure he faked it and now I feel pretty upset about it
. I haven't said anything to him, should I say something?
He often says he feels like he has cum but he hasn't actually ejaculated so maybe this is what happened but surely he would have known?