Hey man, don't worry you're not alone on that one. I have same problem. Not really sure why that is, but I also cannot drop the kids off at the pool when someone walks into the bathroom or hops into the stall next to me. I guess it's a little different when you're at work because the people most likely coming into the restroom are you coworkers so you don't won't them to look at you funny, whereas when you're in a public restroom you really don't care because you probably don't know the other person...