She worried that she’d left her students behind, that maybe she hadn’t made a difference.That day, I reassured her that she had changed my life forever.Before she left, I handed her a business card with my personal number written across the back. “You once made sure I was taken care of,” I said. “Now, let me return the favor. If you ever need help, call me. You’ll never be alone.”She hugged me, and for the first time, I felt like I had come full circle.