Is it wrong to look for another woman while with mine because she's been toxic?

If been hit told im going to be just like my father said I'm degrading and I somehow cause trauma I try so hard to love her I don't want to hurt her but I hurt so bad I almost puke because I'm confused please can a woman not a girl help me. I don't want to cheat i don't want to be alone and she helped me so much through so much. But she pushes me to become someone who i hate so much at times maybe I'm the issue I probably am from everything she said I just need advice.

Is it wrong to look for another woman while with mine because she's been toxic?
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