I havent tried food, but my husband saw out of the corner of his eye, whilst driving, me licking a new sweet iron bit on the way back from the tack shop..? oh, and a friend told me, its called a "love puff", if horsey lets a bottom burp happen whilst grooming tail..?
I read the headline of no 6 and thought "no, I don't do that" then read the detail and realised I do!
Never had wormer though. Or eaten my horse's food.
If it's edible, it gets sampled. You have to. For science.
I am keen on hand washing though. I wear gloves for as many chores as possible and try to keep my hands clean in the first place. I'm terrible for having an itch of my eye without thinking, so this is probably a good habit. Eyes don't like poo.
It's much quicker and more effective to pick up poo with your hands. I don't usually stable, when I do, it gets picked up with the hands and lobbed into the wheelbarrow.
Not done the wormer thing, but have done most of the rest. Including number 6. Its OK though - I do wipe my hands down my jodhpurs afterwards to clean them.