Love mother

i was 10 year old i was use the bath room one day i was sitting on toilet i open the lid on the clothes hamper.ther was a pair of my mother panties on top i pick them up look as them an wonder what they smell like put them to my nose they was still damp smell was incredible musky spice scent i really had erection. to day i am 19 year old i still sniff my mother panties is this normal