I used to make sandwiches at my last job, and a few times I forget to remove my gloves for new ones, but it was very rare, like at times you can get like 10 orders you try to go fast and not make the customer wait, but usually I changed them every 2 or 3 sandwiches depending on what kind of order and ingredients I had to use (vegan stuff always change gloves) I had times customers ask me to get new gloves despite just making one order before, but I did, I don't want to escalate a situation, some customers can be very...annoying, but I know, just like me they are also busy, so I try to put myself in their shoes, would be nice if they did too, but I mean, it takes like 15 seconds to change em, no big deal, the dramatic walking out part, ehh...not sure that was necessary but it's your food.