Tamron has the DAYTIME EXCLUSIVE interview with NASHALI ALMA, the Florida woman who fiercely fought back against an attacker at her gym. Plus, self-defense tips with expert AVITAL ZEISLER to help others in the same situation. And, GRAMMY®-nominated singer-songwriter JEWEL on her new project focusing on mental health. Then, entrepreneur and author BRENT YATES on his journey that led him to write his memoir, "The Gravity of Up."