Life is like C- Program.
Everything will be going in right flow but you don't know when error will occur.
But when you had recognized the error it has already terminated.

Recognize what you're going to regret and undo as soon as possible.
Life is too short to have regrets...

These are words from my mentor when I met him in first year of my BSc. He told me this thing comparing randomly and giving an example. It got stucked in my head for a longtime.

I'm grateful for his guidance. A person who helped me to rise up to the person I'm today. I'm indebted towards him for my whole life. He's the best mentor I could ever ask for.

The only person in this world besides my parents irl who I feel never judged me for a second and listened to Me patiently and behaved with me the way I demand to be treated. I never saw him being angry. Whenever he was angry, he would sternly and gently speak and make us understand our mistake.