It's easy to make this participant gloomy and irritated at you, but it will never be enough to make him snap. He has enough restraint not to do that... for the most part. He is very protective of and dependent on a certain other participant.
It is best to keep them away from each other.
He/they
26
"One..."
"If I really have to answer,
it was for someone I care about.
That's all."