You just have to work with your discomfort. ... It’s challenging, but you have to dance the dance that the band’s playing. You can’t say: “I came here to Cha Cha and they’re playing a Waltz, godammit!”
In life and in movies, it's a similar challenge, where you have expectations, and you end up in situations that are not meeting your expectations.
It's a wonderful metaphor, catching a wave, for how you can look at other challenges in your life.
Any role that big is going to be a challenge for any actor, but for an actor of a young age, it's going to be even tougher.