It's all business right. Despite the songs, they don't seem tight like homies.
OP must have never heard this song before.....
Em credits Dre with basically saving his life. Now, as someone pointed out, while they are probably still friends, but people move on as they go into different ventures and stages of their life.
this. im sure its all love when they see each other but they're family men. they got shyt to do.