for what event does baba take amir out for dinner and to a bar? what is the impression he makes at the bar and how does it connect to his old life? chapter 11

Amir graduated from high school at the age of twenty, when Baba was fifty. After the ceremony, Baba took Amir to a bar, where he bought drinks for other patrons and became the life of his own impromptu party. For a little while, Baba feels like his old self in Afghanistan.