Threaten to suicide

I had married since 3 years my wife always threaten me to do suicide I was staying with my family with her my mother is heart patient and sister is also thrombisius patient we where staying together but my wife wanted to stay separate and always quarreled with me and had left the house too but now we have 1 son and he is 2 years old my wife poured kerosene on himself and said she will file false dowry case and will put whole family behind the bars but I rescued her and I left the parents home and got stayed separately on Rent again her demand was to bring fridge cupboards washing machine and again she started quarrel It was Corona time I said her to stay with parents as it's Corona for her safety and son safety I told her but she refused to go at my parents house she gave my son and said u take him but she will not come after taking my son she came at my parents house and did tantrum ruckus and hit on the door of my parents house after that she gone to police station police told her to go home which was rented she went then I was doing 2 jobs to fulfill the needs she didn't gave me food she didn't open the door it was Corona pandemic She then called me again and again and said she will eat pills and send me the pic by what's app After 7 months her family members and she now wanted to apologize all the things and said they will give writing on affidavit or mou Is there any legal was to sort this issue as in future she can't threaten me and my family