Best of luck to you. Wise words from Dar about the financial risks coupled to health concerns without a cushion behind you. It helps if you have an academic background to get through the ATP, exams just get harder as you get older.
Most majors use an “age commensurate with experience” after a spate of fatal accidents involving those late into aviation culminating in the Colgan crash. There is also the why now? Question.
On completion of your training, you will not be getting a rock star salary and with less than 20 years to retirement will have to progress quickly. But best of luck.