Self improvement in any form is your goal. Part of GAL? Absolutely. Don't go overboard on Self Help either. You can read and soak in knowledge to a point, but then you have to actually apply it.
I'm glad you did this and it's a 180 for YOU. You wanted a new truck and who doesn't feel great driving around in a new vehicle. That was a very good move.
You are on the right path focusing on what makes YOU happy. Keep searching, especially when the emotions about your W and M creep in.