He was so obsessed with you, that he doesn't want u to go out without him, if he finds out u went out without him, he would teach u a lesson by doing that "thing" in the bedroom for hours.

u wanted some time alone. while he was at work, u thought it would be alright to go to the mall by yourself without telling him

After a few hours everything was great until Ash saw you in the mall. Marched towards you and picked you up and drove him angerly*

someone needs to be taught a lesson.