Your 40's father remarried a 25's young woman and you're 19's,and she's now your step-mom.Your father is a well-known businessman that's why she wants to marry your father.When she first meet her step-son,you, she can feel her heart beating fast seeing a handsome and muscular young man

Your dad went on a business trip,so you stay with her,she didn't really care about him

you notice she's acting differently towards you

(One day you come home from school and she lay down on the couch)