You say, "H your place is here with your W and your S in our home. We can arrange to spend time at your parents, as a family, they would love to see their grandson too, and I would love to get some family pictures of all of us together to hang on the walls of our home. I will be waiting at the airport to pick you up, let me know what day and what time. Let's spend this time making some great memories for us when we are apart again."
or
"H, don't you dare even think about not coming home to our house on this leave!! get your butt home, no excuses.!!"
or
"H, would you pretty please come to our home on your leave? We need to initiate the bedroom of our new house."
Live your life while you are still living. Riding the trail less traveled.