1. Well,we take medicine when we're sick,or ill.But if you take drugs=do drugs,you're breaking the law,it's s crime.
2. Well,when we're shopping out,we're buying something.But if a woman walks the street,she is selling sex for money.
3.Well,when we're playing alone,that means nobody is spending time with us=we have no one to spend time with us.But when you're playing with yourself,you're seeking sexual excitement,maybe with your hands.