@Carrie *******
the perfect answer would be to have his ticket to thailand and then 60 days after that have a ticket to say Kuala Lumpur (or any country in S/E Asia he could get in to without a visa) and then a few days after that have the ticket booked back to thailand 🙂
That shows WHY he needs multi-entry. He's leaving and coming back. Once he gets the visa approved cancel the flights
Doesn't matter in the least what he "wants" to do, it matters what it seems like he's going to do 🙂