For me:
As long as I smile when the music plays, I am happy.
As long as I don't feel like doing something other than listening, I am happy.
As long as I have other financial burdens in life that take priority over indulging in new gear just for the sake of upgrading, I am happy.
As long as I can listen to a poor-quality recording, and hear through the flaws, and instead feel like I am hearing what the artist and recording/mastering engineers were trying to accomplish, I am happy.
As long as any music I want is available in at least one format that my system can play, I am happy.
And, yes, I am happy right now, and have been since my last audio purchase in 2013.