The phrase "happiest self" refers to being the happiest and most content version of yourself. It means experiencing joy, fulfillment, and inner peace. Full definition
At Happy Self Publishing discretion, termination may not only result in being banned from the affiliate program, but also being banned from ANY other internal affiliate programs. (happyselfpublishing.com)
Instead of my usual happy self, I wake up anxious about the day ahead. (mindbodygreen.com)
On the plus side, she is still her little happy self, and just turned 7 months old this past weekend, which is truly hard to believe. (lovelyblondecloset.com)