What shood i do????

i comed home yesterday i realeyes that my son it turnin into me hubby!!!!!! they both sittin on couches n smokein n drinkin n eatin macdonolds all days!!!!!! my jon just skipp skool now n play video game all days!!!!! i go overs n yell at them but it not do no goods cause hubby not move no more!!! he 2 big!!!!! jon just keep gettin bigger n bigger!!! he have big gut now n it not even fit his shirt no more!!!!! what shood i do????? HELp