Step-kids lack a sense of humour.

Hubby & YSD are convinced that the Lolo is going to become Calvin (of Calvin & Hobbes). Hubby has taken to calling her Calvina. They sit and read the comics before going to bed and worry that the Lolo is getting inspired.
YSD: I really feel sorry for whoever is going to babysit Lolo when she gets older.
Hubby: You should since it's going to be YOU!
YSD: That's not nice!
Me: *snicker*

While picking up the kids from school, a friend, who is also collecting her kids, comments on how smiley the Lolo is. And she really is, almost always, except at nap time.
Me: Someone up there saw that I had 3 step-kids and decided to send me a good natured baby.
Friend: You would need it.
ESD: That's not nice!
Friend and me: *snicker*

This morning, the kitchen was left in a complete mess despite there being room in the dishwasher to put dishes, etc. I took photos and plan the following the speech.
Me: For every morning I have to wake up and deal with your mess, you lose a request. For example: D can I get a lift? Answer: No.
Predicted response from the step-kids: That's not nice!

( YSD got an invitation today that I found so insane that I am going to photograph it and post it for your viewing. )