The context of the following conversation is Sasha asked Lee's mom for her number so that she could stay in contact with Lee.:
Lee says Sarah got my number from my mom. She's so sweet. I forgot to give it to her..
The friend responds She doesn't have it already?.
Lee responds We were neighbours and I never really hung out with her. But she wants to stay in touch..
The friend responds Well you'll have more phone friends for college now..
Lee responds It will definitely be nice to have more people to write and talk to..
The friend responds That's great you've got a bunch of people behind you..