One of the problems with math, like a lot of things, is that even though you may find it deeply interesting and fascinating and you may even see great utility in it, becoming an expert is very difficult and is fraught with a lot of failure which many people can't, or won't, stomach.
I guess that's true for most things. Say, learning to play an instrument can be similarly difficult at first.
Motivation is vaning, you need discipline to actually stick to something and get better at it. But even getting better day-by-day by only a tiny percentage will result in huge gains over long periods.
I believe the most important aspect for learning math is being comfortable with not understanding and being able to smack your head into the wall repeatedly. It takes some stubborn determination to push past
