Just a stupid car question?

So, i must've hit it before getting out of my car, but I left my one dome lights on for about 4-5 hours, then when I got back in my car i immediately turned it off will my battery one day just die from this? My car started completely fine and since then, haven't had a problem starting. My battery is about a... show more So, i must've hit it before getting out of my car, but I left my one dome lights on for about 4-5 hours, then when I got back in my car i immediately turned it off will my battery one day just die from this? My car started completely fine and since then, haven't had a problem starting. My battery is about a year old now, not even..should I be worried? I know its a dumb question..i have really bad anxiety..
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