She incorrectly assumes that the marriage has already taken place and resigns herself to an austere life at the convent.

He began a very austere life fasting nine months of the year.

She spent next thirty years of her life in that small room and led a very austere life.

However, no-one thought of laughing at him, because he led such an austere life, and gave everything he earned to charity.

He led a very austere life and received many accolades for his work.