Right on. Help can make the difference. Get a good diet going and find a hobby, besides trolling forums, and you just may survive being sober.
Now you just need to figure out the trailer thing. Have to remember it's not the same as a house. We don't have freezing issues obviously, but look into insulating the pipes? Under the trailer? I don't know how those things work. Can you run some sort of recirculation heater through the water lines with a bypass until you need water?