Whats with the grand-parents?

My dad wants to resign his job and spend all his time with Ashu. My mom is ready to leave her husband and come to Bangalore with me and stay with us to take care of Ashu. My FIL wants to buy a big car so that Ashu can be comfy and my MIL shows the gentle side in her. They have all the patience in the world. They can talk to her and play with her all day long. They get excited at everything she does including the farts. Grand indeed!