The context of the following conversation is Kai wasn't always close to his brother. Kai shared stories with his brother and Kai grew close to him.:
Kai says My brother and I have been getting a lot closer as time goes on..
The friend responds What do you think has changed?.
Kai responds Well when we were younger we never really talked, but the older we get the more stories my brother shares with me and we grow closer..
The friend responds I am glad you have been able to build that relationship with him..
Kai responds I am really glad too because it feels good to have that connection..
The friend responds I would love to have a close sibling relationship. You are very lucky.