Revenge is a really narrow scope through which to view things. In the same way secrets do, it has this ability to warp everything. But secrets are more inward, and revenge is outward.
No matter how old you are, if you're just not an empathetic person, it's a lot easier to concentrate solely on something that is injuring another person to even some score. Hopefully as people grow older, their ability to empathize deepens.
I certainly very much enjoy acting, but I am open to anything really. I think it's important when you have those moments in life when you are not attached to something, and you are not quite sure what the next phase of your journey is going to look like, that you don't pigeon-hole yourself.