The best you can do is try to introduce him to so new faces, or old faces that actually enjoy his company
A good way to break a rut is to toss him into new situations. Sure, we can wrestle with the idea that "Mauja would never do X, Y, and Z", but what absurd conditions would he do these things under? Seeing Mauja in some crazy situations would be entertaining for me, in the very least.
A lot of what happens on Helovia is negative because it's more dramatic, but you can find the positive. Maybe avoiding places where you know he's just going to get "more of the same" for a while.