I don't know about the SHOULDs in the title, but here is some wise advice. Pick a few and give them a try. Some were new ideas to me and I'm an ol' lady.
Yanlış bilinen atasözleri ve deyimler
Stephen Covey, davranış kalıpları, ilerleme, progress, development, success
Mutluluğun 7 adımı