M26 feeling numb after F25 . Why can't I go forward in life

I don't know what to do now ?

My relationship ended 5 months back , I went it gyms and in a pretty good place now , have built a good amount of muscle and become fully athletic now and I get enough attention from other women. But there is something missing, there is motivation to act upon it or even speak to them . I text in hinge and then I'm bored . I don't feel any attraction to these girls , I feel numb and sometimes I miss my ex , I know she treated me really bad but it hurts sometimes. She seemed to have moved on and updated her hinge but I couldn't.

Before anyone say push yourself,I just don't know how to . I'm in a new country and I don't have much friends to hangout with , and my housemates are married so they have their own priorities, I don't have anyone to talk to or share my views . My housemates don't care much and they give advice in a manner they feel petty to me .

I don't have much friends to hangout with as well . I couldn't move out of my bed much the past three days , my hearts or emotions feel so numb . I literally have to watch porn to feel some kind of attraction , which I feel is so bad .

Should I just go back to her or text her saying all this is happening to me or I'm thinking this way . I fear I'm losing my mind.

I'm on a calorie deficit to built abs maybe that's screwing with my hormones but man i just need to share or vent this out to someone.

I just can't do anything and i feel so alone right now . It's just me and four walls and chatgpt