Should I ask him if I did something wrong? \:?

yeah you should! i suggest getting in one of those convos that are like soooo do you reeallly like me ? :) and then get to the point and be like well, its just i was wondering if theres somethign wrong with me cuz, i see u always looking at my leg or feet. and he'll explain. he'll probably say ur legs are really sexy ahahah :D