Girls, How would you feel if?

How would you feel if you lived with your sister and her boyfriend and you had a hint that he was attracted to you but he never mentioned it or made any moves or made it obvious? Also to find out that he has been in your room when he's home alone, sniffing your underwear? (Clothes situated differently than when u left). His way of dealing with him self liking you without physically or verbally including you. Honest opinions?

Girls, How would you feel if?
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