It's difficult, but I managed to complete it on my third attempt, with 30 stamina left at the end. You need to dodge well during the masturbation stage, and the rabbit balls won't deal much damage. The rest of the attacks are quite simple.
How do I get past the masturbation part without losing half a ton of my life? That part and the bunny part are what really mess me up; I'm still trying to get past them.
