Sounds like you gave it some good time and effort. I would say you sound like your at the break it down point. Get it off your mind for a while but like others have said keep the gear.
If you start to get the itch again then slowly put money into the equipment that will make you happy with a new tank. Take your time and let the excitement build. Then when time place and budget allows start again.
If you start to get the itch again then slowly put money into the equipment that will make you happy with a new tank. Take your time and let the excitement build. Then when time place and budget allows start again.