It's 9 PM and I'm winding down for the night when my phone buzzes with a LinkedIn notification. "Any tips for me? I'm about to start my year at INSEAD soon," a message in my inbox reads. It's a message from an INSEAD MBA admit.I start to type a quick reply but then pause. This deserves more than a quick response. So, the next morning, I crafted a note that then inspired me to reflect on what advice would I give to my younger self if I were to step into this adventure all over again.Dear Younger Anna,