People who draw: do you hate it when...?

you are drawing somewhere, specially at school, or even just doodling and someone comes and says "oh my, that is awesome, i wish i could draw... can you draw me!" and then they pose as if you where going to draw them right there, it really annoys me, even more because im not even that much of a good drawer, and because then it causes more people to come and look to see what you are doing