The first thing you did alone. Write it down to what your hands did.
What was the first thing you did by yourself? Write about that day.
Everyone gets the same subject. What differs is the follow-up: one question for children, two for teens, three for adults. Only the children's wording is simplified.
Find the sentence you are least sure about. What you actually meant is usually hiding there.
Skip it and start at the second. The opening writes itself once the rest exists.
Delete every line anyone could have written. What is left is yours.
A short landing is what stays.
Don't staple two ideas together with 'and'.
Instead of 'I was sad', write what your body did.