The context of the following conversation is Addison was very sick in bed, so  Jan went to Addison's friend's house.:
Jan says Addison is still sick in bed..
The friend responds That's awful..
Jan responds I really don't want to get ill either so I went to Addison's friend's house to stay away from her..
The friend responds That is probably for the best, you don't want to catch her illness..
Jan responds I just hope she can look after herself while I am away..
The friend responds I am sure she will be fine..