Both Leonard Nimoy and Spock would have a similar attitude towards life as they aged, becoming more comfortable with themselves.
As reported by Sci Fi Wire, Nimoy didn’t have much difficulty into slipping back into the role of Spock. “I found myself extremely comfortable doing it,” said Nimoy. “I found myself very close to the character. I think that in a fun kind of way, in a wonderful kind of way, my own life has come to a point where I feel more, probably as Spock would at that point in his life, comfortable in his shoes. The Spock that we’ve showed all through the years always had some kind of turmoil going, there was always some inner conflict. I think I have arrived in my own life as Spock as in a more of a serenity, and I felt very comfortable playing that.”Seeing himself as Spock again took a little time, not for any psychological reasons, but because of practical matters such as having the Vulcan ears cast and adjusted to look right. “Well, it was gradual, you know, because it doesn’t take place in a moment,” said Nimoy. “It’s gradual, because the first thing they have to do, they call you up and they say, ‘OK, it’s time to go out and make a cast of your ears.’ And so that’s the first step. They put plaster on the ears … to create the mold. And then you come back and look at the molding of the sculpture that they’ve done to create the ear tips. And then you come back when the first pair are ready, and you try them on, and you say, “Well, they should be a little bit more of this and a little bit less of that.” And you gradually have to refine it.”
But finally the tweaking is done and the transformation from human to Vulcan is complete. “It’s not like dropping … a couple of eggs in the pot and boiling them, Nimoy explained of the process of becoming a Vulcan. “It takes time to work it out. But eventually you get to a point where you say, ‘Well, that looks, now we look like we can walk out and get in front of a camera.’
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