Dear Guy I Used To Work With,
Can't lie, you're starting to creep me out a little bit. At first I thought you were nice, though not my type and obviously a bit delusional/very persistent. But lately you've seemed to be a little more... unhinged? Sorry I have not responded to any of your cryptic one-word text messages for the past month, but I didn't want to give you false hope and I thought you might take the hint. Instead, I just got a text message from you that reads "I see how you are."
Um, busy and uninterested?
Hoping I don't end up in a duffel bag somewhere,