If you are looking for a sentence in that paragraph to support the main idea, I think it would be "All it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. The main idea is basically that walking is a good and easy way to begin exercising, and that explains it.
Answer: sounds like daddy issues to me
Explanation:
The correct answer is a subject and a verb~
There are many grammar rules but the most essential ones are: nouns, adjectives, verbs, punctuation, and speech.