No ILYs. You could say she looks nice, or that's a nice outfit. No more than that. Give her the laptop, and fix the computer! She is going to see anything else as you trying to control her.
The card thing would be passive agressive, in my mind. Just keep them, and don't worry about it.
Make the dinner one night when you will both be home.
If she ususally makes chili for lunch for both of you, taking that on once in a while is a good idea.
