Do you think you could handle a relationship with someone that has severe mental illness like Bi Polar or PTSD?

Being married to a girl that suffered from severe Bi polar depression and PTSD was one of the hardest relationships I was ever in , One minute they love you and then next they hate you , they start pointing fingers at all your little flaws to make themselves feel better about themselves , they viciously attack you verbally and sometimes physically and switch words around to make you feel like this horrible person when really they are this horrible person , they will constantly play a victim and try to get others to side with them so others believe that you are in the wrong over them so they side with them , I tolerated this abuse for a long time because i thought I could handle it , understanding it wasn’t her that was talking , it was her sickness that she really had no control over , part of me wanted to walk away and say fuck this I can’t live this way , but I felt that was selfish of me , but is it selfish? Never really knowing how someone feels about you? I felt like I was a constant punching bag to her when she had these episodes , when I would walk away she come chasing me back and she would be all loving and sweet to me again , the girl I fell in love with in the first place Things would be great for awhile and then bam another demon episode but sadly it was hard to see it coming , I was only able to walk away from her when I found out she cheated on me , that was my final straw I feel like the only way I can trust in love again is if a girl sweeps me off my feet for once, Cuz I look back at myself and I know I am not perfect but the things I did for her and til he abuse I put up with her you would think she would of have me an award for tolerating her shit but all I got was my heart destroyed
Do you think you could handle a relationship with someone that has severe mental illness like Bi Polar or PTSD?
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