I had my interviews at two schools on feb 5 and feb 9, but i still haven't sent them the thank you letters. i know these are put in with my file if i send them to the admissions office. so i was wondering if it's too late to send them. i'm gonna send them regardless, but is it gonna make me look bad because i didn't send them earlier. does it make me look like i'm not very interested in the schools?