Colton Underwood is out, proud and ready to embrace the new him.The Bachelor alum, 29, signaled he was starting a new chapter of his life by scrubbing his Instagram of all prior posts on Thursday and sharing a series of candid instant photos of his recent journey.'I have a lot to learn, but I have come a long way,' the former NFL tight-end wrote with the snaps, which showed old friends and new supporting the reality star, who came out in a dramatic interview on Good Morning America on Wednesday.'To the people in my corner, I love you.