Heathers: movie vs musical

So, I finally checked out the original movie. I liked it! But it was very different. Ironic and detached. And everyone looks so young.

An article about the major changes and the reasoning behind them:

Talking to Heathers: The Musical Director Andy Fickman About What Was Changed From the Movie

An interesting perspective on the differences, from the liner notes of the cast recording:

( Cut for length )