Mental health could have some effects in PE. Anxiety and depression have been seen that could affect it. PE from what I’ve seen had much to do with physical symptoms that are treatable, like breathing patterns and controlling muscle contractions in the penis. Which in many ways could be affected by mental health, like anxiety, could cause abnormal breathing patterns, creating PE during sex.
PE is treatable, and just like any muscle in your body, you can train it to control the involuntary contractions that can cause PE, check kegel exercises and breathing exercises to help with this
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