Who said "I was becoming weaker and more languid as days passed."?

This quote is attributed to Mary Shelley.

I was becoming weaker and more languid as days passed. - Mary Shelley

"I was becoming weaker and more languid as days passed."

Mary Shelley Health

Novelist English 1797–1851

"Nothing is so painful to the human mind as a great and sudden change."

"Beware; for I am fearless, and therefore powerful."

"Life and death appeared to me ideal bounds, which I should first break through."

"I have crossed oceans of time to find you."

"You can't expect to be happy if you're surrounded by mess."

"Health and happiness - these are true wealth"

"How can you live like this? It's like a pigsty!"

"You're going to get sick living like this."