What does the man imply when he says, "you’ re not leaving now, are you"?

M： Hi, Kate, you’re not leaving now, are you?
W： I usually leave around this time. Do you need something?
M： Well, I’m designing this Web site for a client and...could you have a look at it?
W： The Richardson Web site?
M： Yes. They want a site that works on mobile devices, but the text isn’t showing up correctly on the mobile site.
W： I do need to get going, but I’ll be happy to have a look at it later tonight when I get home, and see if I can get this fixed.
Number 38.What does the man imply when he says, "you’re not leaving now, are you"?
Number 39.What does the man say he is working on?
Number 40.What does the woman offer to do?