The context of the following conversation is Jan put on a scary monster mask and jumped out of the closet to scare Kendall away.:
Kendall says Yikes!  That was scary!.
The friend responds Hahaha, it was just a prank!.
Kendall responds Why would you do that? You know how I get scared..
The friend responds I wanted to lighten the mood.  Plus Halloween is coming up soon..
Kendall responds Ah, that reminds me, I need to get a costume..
The friend responds Come with me to the store and we'll find something that works!.