When I grew into a young man, I suddenly fell ill one day and it was discovered that I had a terrible kidney disease. I had to accept treatments all my life, or get a transplant.

请问专家老师，这里的all one's life用于了一般过去时态，感觉怪怪的，总觉得用于一般过去时态时，句子主语应该是已经死了。盼望专家老师解惑。