Nice work on your training man, keep at it π.
I started training boxing when I was around 14 or 15 and I've always loved it. One of the best workouts you can do for fitness and, as you mentioned, it feels damn good to smashe the bag after a tough day at work. You always walk out of the gym with a smile on your face, feeling relaxed and happy.
Good luck with your training and thanks for sharing your experiences, good read π.