hi, i never want to leave my house

or do any thing, is this a form of depression?? this came on slowly, & now , i dont even want to go on my own porch!!! but, i do know this isnt "normal" behavoir, but i cant help it, any suggestions, i do get out, but im a wreck till i get back home, i have to pay bills, but i get someone to ride with me, & they pay them while i sit in the car!!! so , thats still like not getting out!!