been playing guitar for about 3 years, mostly strumming. started learning travis picking a few weeks ago and tbh it’s humbling. my thumb just does not want to cooperate with my index finger.
any tips from people who went through this? how long until it started feeling natural?


Yes
Travis picking is your best bet for learning finger picking to begin with. Its the foundation of basically all finger picking aside from classical.
Some basic tips:
I just made this to explain what I mean about finger positions
If you can get hold of this book, you’ll be in great hands. Work through the exercises day by take. I think I have a digital copy
https://www.goodreads.com/book/show/14341596-travis-picking
EDIT: My photo upload didn’t work so here’s the link to the book above