My partner blames his erection problems on my weight

We have been together for 20 years and I have always been on the large side, but when my partner revealed why he has a problem, I lost a lot of weight. So why is the problem still there?I have been with my partner for 20 years, and have very low self-esteem. When I met him, I was not a thin girl, around a size 16 or 18. My partner developed erection problems. We had massive rows and, in the end, he told me it was because I was so overweight. I was devastated. Yet although I have now lost a lot o