Adding to this buy extra phone chargers for your work desk, car, suit case, and sofa so most any time you have a charger and cable ready to go.

Find a skateboard deck that you like and hang that up as art.

I would give my teenage self cuticle nail clippers. I wasted so much time with normal nail clippers in my youth

Make sure you are including basic, qbasic ,quick basic, ti-basic, visual basic, and visual basic for applications. You gotta pump those numbers up