Why does he disrespect me like this?

Give been married for over 20 years and my husband has had to start dealing with ED. Now I have told him repeatedly its no big deal there's is plenty other things we can do. I even researched ways to help ed, things to try for sex with a person suffering from ed, other sexual activities to do, I have even asked if we could watch porn together, I have done everything I can think of to make him understand that IDC if he can get it up or not I even went as far as to tell him I much preferred the oral and foreplay more so then I did the actual sex. I wanted him to feel comfortable and okay. I told him I support him in any way I can. I even backed off and have not even brought up the topic of sex. But yet i have caught him looking at women on those sex sites and watching porn (although I dont have Any idea why but he totally denies it... even when he's caught red handed) why does he disrespect me like this? Why lie and hide this shit from me? Why ball face lie to my face? But the worst of it all is we rarely even have sex anymore. When I do make a comment or say something about having sex he makes me feel terrible by saying something like " thats all you ever think about" or makes the ugh sound.. WTF is going on?
Why does he disrespect me like this?
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