I suck at pinball but i think it's fun to play. I am a really good skier, tho, and when I see people who maybe aren't as good as I am, but they're having fun skiing- I don't think they should quit! I think if you are having fun and you find it takes you away from your everyday life... Continue to improve.
It takes maybe 5 years to become a good skier, maybe 3-4 to be a good pinball player. You are just starting! You have way more time to go! It does help A LOT to play with or watch other good players. That is always how you get better at every sport.