4 things in life that are difficult for many people:
1) Apologizing when in the wrong.
2) Stating when ignorant to something.
3) Giving sincere praise & receiving it.
4) Welcoming & accepting constructive criticism.
All of which are personal.
Tony Soprano & Thomas Shelby are the same character.
1) both men are mobsters
2) both small time crime bosses (initially)
3) their right hand men are addicts
4) both have self portraits with horses
5) PSTD and health problems