I go through the same thing. I’ve been in the hobby about 7 years. I’ve gone hard in and hard out multiple times. I’ve had as little as one machine in my basement and then two weeks later I have 8 down there. I’m known to be an all or nothing kind of guy. It’s just the way I’m wired. I’m in the “all in” upswing right now. Maybe I’m bipolar. Who knows.
What I do know is that I will always love pinball and always come back to it.