One Drink is equal to 1.5 oz. of 80 proof liquor, 12 oz. of regular beer, or 5 oz. of table wine.
It’s safe ish. You definitely want to get the girl to do an enema behorefand. This will protect your penis from infection as well as protect her from the likelihood of embarrassment from excess fecal matter coming out when you pull out. If you are both positive you have no STD’s, that makes it much more safe. Lube, obviously is your best friend if you ever wanna get anywhere near there again. Also get her very excited before you even try. I have had a few women love it and a few not so much. Just depends on the woman and how you handle the situation.