Sherry I have to agree with the others. As much as you dislike the way the home looks, it's really up to your son to discuss it with his lady. Truly all it will do it make hard feeling between all of you. Do indeed invite the grandson over lots and then you'll at least feel like you've contributed to a part of his life away from the home. Good luck and welcome to our home.
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Sandpiper
"Kaleidoscope Memories: Childhood Stories That Celebrate Family Life" - 2008
http://kaleidoscopememoriesbook.blogspot.com
www.tidedancer.com