"after being away from a place for a while, when I go back, the ones who have stayed without taking a break are the ones I was taking a break from. Those are the ones who seem quite happy plonking around with the same three songs for years"

The ones least interested in rehearsal, the ones least interested in rehearsing together, least interested in 'performing elsewhere as a group' for a special occasion, those who believe that 'you just need to 'play', not waste time 'practicing' .... ?? :-)