Long-time friends grace and kishia had little in common when grace got married and kishia was still single. once kishia got married, she found herself talking to grace all the time again. this is an example of:

This is an example of how communication within a friendship changes over time.

Friendships are alive, and they are constantly changing for the better or the worse. Sometimes things change and you realize that you don't have much in common with someone who used to be your best friend, and sometimes you realize that those mutual interests you used to have have resurfaced, which is the case in the example above.