Sebastian Stan Got Honest About Having To Lose Weight For "Pam & Tommy," And Talked About How The Whole Ordeal Messed With Him

"Because once you're going into a peak, the best look possible, which by the way, I don't care what they say, unless there's like, magic formulas out there — which there are but some of us are not in that pocket — your body can only be at peak 100 percent for like maybe a week or something. At least, how I've experienced it; and I mean diet and exercise and tanning and water and lighting and everything. And then you spend the rest of the time going, 'I'm not what I used to be.' But it's just all in the head."