most people i know just get red eye, ive never even heard of pupil dialation really b4 now, i just knew my one friend who when he was using(not only when he was high, but anytime he would be considered a 'user') would have enormous pupils, and everyone just thought it was a wird side effect, but dude, dont buy into your moms bullshit, just deny deny deny, tell her shes crazy and all that, she just wants you to admit you smoke, but dont