As long as you are not being rude or snippy then don't worry if she thinks you are being cold. Be up eat when you do speak but just be quick in and out.
She thinks you are being cold because she still wants you to be normal with her even though she has ended the M. She can't have it both ways.
M 37 W 34
T 12 M 8 D 7 S 4
Need break 4/12/15 W no ring 7/7/15
Separate room 4/12/15 Separate living suggested 8/15 W moved out 11/1/15