Conversation so far:
What is Married Love in relation to Marie Stopes?
Around the start of her divorce proceedings in 1913, Marie Stopes began to write a book about the way she thought marriage should work.
How did Marie Stopes think marriage should work?
How was Marie Stopes' book Married Love received?
The book Married Love was an instant success, requiring five editions in the first year, and elevated Marie Stopes to national prominence.
What were people's views on the book Married Love by Marie Stopes?
Many readers wrote to Marie Stopes for personal advice, which she energetically endeavoured to give.

Question: What kind of advice would she give?
Self-contained rewrite: What kind of advice would Marie Stopes give to the readers who to her for personal advice?