Sam Heughan is revealing what he does for self-care. "Breathing in some fresh air could really help, even a five, 10-minute walk a day out in nature if you can, is so good for your mental health," he told Access Hollywood. That isn't the only thing Sam revealed to Access. While playing a game of Sip or Spill featuring his Sassenach gin, the actor revealed his number one dating rule and his first celebrity crush. Sam also talked about his upcoming book, "Clanlands in New Zealand" which he co-wrote with his "Outlander" co-star Graham McTavish. While chatting with Access he revealed why they wanted to explore the country and spilled on working with his close friend! Sam and Graham's new book "Clanlands in New Zealand" is out Nov. 17.