The context of the following conversation is Tracy has been sick with a runny nose. She has been carrying tissues with her to blow her nose.:
Carson says Tracy's been sick with a runny nose so that's why she has tissues with her..
The friend responds I carry a box of tissues with me when I am sick too..
Carson responds I told her she should stay in bed and just rest..
The friend responds Sometimes you have to get out to do things..
Carson responds She had to do some shopping, she said. She has nothing to eat at home..
The friend responds That's a good reason to be out..