Possible Clues:

• Gouache art, in essence, embodying strength
• His earnest carousing may suggest this
• A sneer -- this destroyed enthusiasm
• Cordiality produced by retsina he's drunk
• Some wreathe art in essential quality of sincerity
• Jollity — in a way she earns it
• Bringing affability, listen to tragic woman outside home
• Rise and hasten out, demonstrating joviality