he misses them on occasion, too. he travels a fair bit for work-related reasons, so while he might send out reminders or help organize, sometimes it's one of those 'see you when i get back from europe!' deals.
he really can't understand getting upset about things that won't matter a week later, etc. life's already complicated enough without that added drama. they sound like they'll gel really well personality-wise, too. he has his own personal turmoil and baggage, he just prefers to not burden people with it for the most part. rare to see him in a bad mood, etc.