I broke up with my toxic girlfriend but I am not feeling ready for new relationship, why (details) ?

I broke up with my extremely toxic girlfriend who always used to apply psychological torture to me during our relationship and it lasted 5 months only. I would genuinely like to love her with my purest and heartiest feelings but she always said me that she had no emotional intimacy whenever we meet up each other. She had a long-lasting relationship before me which took almost 4 years so she said that she had some trust issues but I have terribly been affected with this sticky situation. She always talking about her ex, giving me subliminal messages about him. Despite having been in clearly rebound, I tried to love and care her and never left her at anytime.. And finally our relationship has ended by my mistake, I commented one of my woman colleague's instagram picture as wonderful and she just immediately cut me off for that reason. It's been seven months since our breakup but I feel myself so crammed, lonely and miserable. Nobody understands me in this hard time. Moreover, in worse, I have lost my job which was set for my by her mother and then probably they led me to get fired from the work for being breakup. Now, Neither I am feeling ready to love the new person nor I still love her.. But I fed up with loneliness.. How can I deal with this extremely complicated situation?

I broke up with my toxic girlfriend but I am not feeling ready for new relationship, why (details) ?
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