I think it was Tony thought Bobby was weak (he was) and could take advantage of him and then Tony grew to like him and respected Bobby for looking after Uncle Junior... The first episode of season 6 part 2 is a good one where they have the drunken fight..
The Mafia Is Not Primarily An Organisation Of Murderers.
First And Foremost,The Mafia Is Made Up Of Thieves.
It Is Driven By Greed And Controlled By Fear.
Between The Law And The Mafia, The Law Is Not The Most To Be Feared
"What if the Mafia were not an organization but a widespread Sicilian attitude of hostility towards the law?"
"Make Love Not War" John Lennon
| 
