If you can't - or won't - assimilate in a few basic ways, then bag-out... the sooner the better.
Not speaking the language is a sensory impairment akin to being deaf and dumb. You don't know what's going on around you.
Living long-term in the expat bubble results in the kind of chronic irritation that is on full display in the forums day after day.
Constant complaining and the nasty denigration of Thais become a familiar refrain.
It isn't confined to Thailand alone.
Wherever large numbers of people go for a "better life" is where you can see this disillusioned bitterness show itself among them.