How to Train Your Voice for Longevity

I think of it as a rhythm. Like I'm going for a certain kind of rhythm and that rhythm has like up and down. The thing about the vocal coach is interesting though because it's been vaguely on my to-do list for, he don't know, about six years. And I've never really gotten around to it. It's just been in the back of my head. Every time I mention it, I hear from very helpful people who have great advice, but I just never do anything about it.