Conversation so far:
How was Georgette Heyer's marriage life?
In 1925 Georgette Heyer married George Ronald Rougier, a mining engineer.
Did Georgette Heyer and her husband George Ronald Rougier have a happy marriage?
George Ronald Rougier and Georgette Heyer were both madly in love with each other though not without a bit a financial difficulty on her husband's behalf.
What happened during Georgette's marriage?
Heyer became the primary breadwinner. Rougier purchased a sports shop with money borrowed from Heyer's aunts. Heyer's brother helped Rougier, while Heyer continued to provide most of the earnings.
What led to Georgette Heyer wanting to return to England?
Georgette Heyer insisted they return to England before starting a family.

Question: What led to her almost dying?
Self-contained rewrite: What led to Georgette Heyer almost dying?