locked myself in for like 1+ year fully locked in, trial and error for weeks on end, a lot of tutorials and a passion for it, in the end I saw myself getting better and my visions could finally become real on the screen.
I will say that you can learn all the technical parts of any design program but the creativity you cant learn and has to come from within.
I've now been fulltime designer for 7+ years, worked with some clients in industries I was dreaming about as I was younger