Simple, My home is to small to display the work.
I would rather see it in a good home, then collecting dust, and with children growing, They may not share the same love of the medium as I have. So it only makes sense to move on.
I love the color, contrast and feel of both works. It is just time to part with some of my favorite things.
Other then that reasoning, all is well... These items would make a great holiday gift for the ones you love.