I've been adding and learning ever since my first solo 22 years ago. I think that either you enjoy flying, and learning about improving your flying, enough to keep finding ways and reasons, or you don't.
But the dream is for just about everybody, built upon actually flying, not on sitting on the ground looking up.
For me, the next step after getting my first PPL was to buy a share in an aeroplane, and start getting to know it, and using it properly in the way that aeroplanes should be used - that is going places, or fettling, or just enjoying the freedom of the skies. But not just learning to fly or doing a metered 60 minutes out and back from home base.
G