I wanted to be a jazz pianist, but I wasn't good enough. I got into city college because I didn't have the grades to get into university. I took acting because it was a way to get three credits. I just needed three credits and my friend told me to take acting because it was like gym - nobody fails you. I took it and that's literally how I got involved in acting.
Knowing what thought process goes into constructing a line helps an actor know how to deliver that line because you understand the intention behind the writing.