Wife is not coming and not ready for divorce

MY wife doenst want be physical relation up to life long with me and just want to stay with me only 2 days in week just as a my sons parent not husb wife.since 1.2 yr we did nt had physical relation.and not want to give divorce.son is wth her she is more earning thenme.i offered monthly expense after div as accrdng to my earning though she sai no we need to stay in long distance need to care for son we both had to live for son.in directly she wanna give son to me. and want to stay with her mom as her earnng is more. also saying to me i will file against to u for my sister nude video taking guilty as i did that bt she doesnt have that video or any stong proff that i did that.might be she has voice confernece where i was asking forgivness for it to her fmaily. now i doesnt have that video and i didt make viral ever. but she is saying me tht she will do FIR on me if i ask for divorce and never give divorce also never give wife love.she is saying she will spoil my whole life .niether divorce neither my new marriage or neither her love. i offered money her she doesnt want just she wanna stay wid me as a sons parent. i shuld not get wife love in life thats her target and give mentally harraesment