Based on the context and the answer, generate a question. 

Context: Stella called him a grumpy old man before laughing freely ; Mac 's heart skipped a beat as the breeze whipped her hair about her face . She led him to the weather - worn garden furniture and pushed him into a chair , thrusting a thermos of steaming coffee into his hands . Moments later , the sky erupted into brilliant colours : red , blue and white to celebrate their country .

Answer:

The man was in a bad mood .



Why did Stella give the man a coffee ?