It’s worth persevering, for me sometimes I thought it would never happen, then all of a sudden it started to click. I was pretty much like yourself, played guitar for a lot of years, when I started on PS it was almost like starting from scratch. There are so many aspects to co-ordinate, bar hand, picking hand, picks!, blocking, pedals, knee levers, volume pedal etc. How it ever comes to together I really don't know, but it does, and when it does, the feeling is indescribable, so I'm not going to try. Sure you'll get there yourself
Good luck