person A: Im so grateful for my family due to an incident with my friend
person B: Oh really? What happened with your family and friend then?
person A: My friend lost her parents and siblings in a fire and their family was very close to mine. So seeing her go through the grief made me realize how thankful I should be 
person B: Oh wow_comma_ that's awful. Stuff like that really teaches you to appreciate what you've got and to not take it for granted.
person A: Yes definitely. Never take anything for granted as you never know when it will be taken away from you