Struggling, think psychological?

Been having ed problems for a while now, about 6 months, i also struggle with ocd, anxiety and depression. My gf is super sexual and literally my dream, now all of a sudden my d aint working right.

Id say we have sex every day or 2 days. I enjoy it and cant often keep an erection aslong as im quick, if im not getting constant stimulation it drops off.

I get anxiety when we start getting sexual, kissing, touching, talking. And I usually end up hard from this, once we start foreplay on her, i cant escape my head, constantly checking if im still up and how hard i am. On many occasions i cant foreplay for aslong as id like or try other things as im terrified of going down.

I take propranolol sometimes for anxiety, apart from that i take no supplements or medication. My diet is pretty shitty and i probably dont drink enough water. May sound like i know whats wrong, but i dont.

Any advice?