I think, if he's a friend, then you have to take it at face value. He's tired and its the only time he can rest. At least he let you know in advance and didn't bail half an hour before, leaving you with no soda.
It's always really hard when you're excited about something and putting lots of work in and other people involved just don't seem to put the same value on it that you do. Even when you're making it as easy as possible for them. But that's people, I think. They have their own ideas about stuff, their own needs and wants. They're annoying
It sounds like you're doing a really good thing for your friends. Hope it's a hoot!
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The Andaman Sea, the Andaman Sea, Oogily boogily, the Andaman Sea.