If you were blessed with young-looking genes, you encounter some pretty funny things. You get asked for ID in your thirties. You get told by a distant aunt at a family dinner to go sit at the kid's table. You get mistaken by teachers for being a student… that is, if you work in education. The list is endless, and embarrassing, but there's some good in it too — you look young, that's great. Lucky you. This teacher was absolutely gobsmacked when another teacher came up to her in the hall and bega…