Quitting and Foregoing PE Offer

Received an offer at my top choice over the summer. Since that point, I have been getting sweated to an unreal degree. Averaging 95 hours a week over the last 3 months, working all day on the weekends, not able to see people, etc.

Candidly I would have quit / lateraled if I didn’t have this offer (the firm has a good relationship with my bank).

At this point I am feeling a high amount of burnout and am struggling to think about enduring this hell for 8 more months.

Any advice would be appreciated. Feel like I’m at a huge crossroads. I have no idea what I would do if I quit but my offer would be gone in an instant.