I used to grope people when I was drunk

It doesn't mean you are a bad person at all. It means you drank too much, and maybe were lonely or felt you didn't get enough attention, or maybe you were sexually frustrated and couldn't handle it.

Either way, "it's been a few years since", so the problem is in the past, and doesn't really need addressing.

You paid for it at the time by achieving a reputation that I trust you have lived down.

If you have sexual issues - and you know if you do or not - then yes, you should get help. If you have alcohol issues, then stay off the sauce.

But always remember that life goes forward, not back. Go forward with it. Looking back is pain best left behind.