RE: A new chance

Time travel makes you have a lot of 'What if' questions.

Transform every moment into a learning opportunity. Never stop learning, because that way you won’t need to wish for time travel to fix the mistakes of your past

This is something I stand on. You would make mistakes as a human but try to read, learn and ask questions to mitigate those mistakes. Some are really costly would actually make you start having the idea of travelling back to the past to rectify those errors.
As you said 'Never stop learning, because that way you won’t need to wish for time travel to fix the mistakes of your past
'