If you haven’t stepped out of your comfort zone in a while, it might be time to try.
Experiencing the unfamiliar allows us to practice being agile, because we’re not always able to default to our usual cognitive response patterns in new contexts.
It is probably the case that, somewhere in the past, you did something that made you more happy/productive/fulfilled, but you don’t do it anymore, for no good reason. Think about that, and do it again, preferably instead of one of your less desirable behaviors.