You should help out people that are sick.
John's roommate, Hope, is stuck in bed with the flu and hasn't been able to get out of the house.
John wants to react to react to Hope.
John goes to the store to pick up some food for Hope, to get her through until she feels better.
John tells Hope that he prays she gets better soon, so she can get herself to the store.
Hope sees John as a thoughtful roommate, and is glad to have him around.
Hope now see's John as selfish with his time, and regrets having him as a roommate.