I got one for you.
A few summers ago, I was working third shift at a plastic company. First night, i noticed that all the people were a bit...off. Second night, I got to know a few of them and around 3 am, one claimed to be a state champion track star in high school and kept bragging about his "accomplishments." After a while I got sick of him and told him to prove it by jumping over the wall by the loading bay, the wall was over 8 feet high and had a low fence that slanted outwards at the top. I marked the spot with orange dye. He took off and jumped and went lateral and slammed into the wall about 2/3 the way up sideways. He got up saying his foot slipped and got a broom and swept the concrete and did it again. He slammed into it ass backwards and hit the ground. He tried a third time and almost made it but hit the fence at the top and carved up his arm and side. We were all laughing for hours. Around 6 am he was telling me how much his arm hurt and how he was afraid to use the first aid kit because the supers would find out in the morning. I told him that all mammals had anesthetic in their saliva, he was like Uh uh so I told him t think about it. Al dogs, cats, mice etc lick their wounds and they heal much quicker. So he asked what to do, i told him to get a dixie cup from the breakroom and spit into it until it was halfway full and use a plastic spoon to get all the food chunks out and then spread it over his cuts with the back side of the spoon. He was in the breakroom until 8 spitting and watching tv, when the boss got there at 8:30, he looked in the breakroom window, kicked the door open and goes "what the f... Are you doing?!" The idiot started telling him how all mammals can heal themselves woth saliva and the boss picked up the phone and put it through the intercom. About 50 people coming in on first shift heard it.