The bottom picture is one of her "mouse" faces. She is going through a mouse phase, which is lasting longer than I expected.
I used to think there could be the live to actually learn, but then, every love gets some return, even if it is just the feeling of goodness. Even unrequited love feels good at some level, despite there not being reciprocity.
I have heard someone say something along the lines of: while there may be an exception, there seems to be no selfless act, at least an act made with intention.