Pistons make sulfur cubes stretch out

when you put a piston in a sulfur cube it starts stretching out bigger and then you can go inside of it and build portable houses by putting the big sulfur cube on a happy ghast (max length and width 15 blocks) (dont have to add to this but would be cool feed them sulfur then they can grow more with pistons and if you dont feed them and you stretch them too far they will pop