Answer:
Step-by-step explanation:
She certainly wasn't planning on flying a kite with him. She was going to move their activity away from the outdoors, especially if it was a flying a kite in a thunder storm.
We don't know exactly what she was planning, but it was something a mother could do in bad weather. He's a bit spoiled -- he wanted to do what he wanted to do. And he wasn't impressed with her attempt at being understanding.