Working with my husband, I thought we would be at each other. As close as we are, our styles are so different. But it didn't happen - we were surprised.
I believe it is important to speak to your readers in person... to enable people to have a whole picture of me; I have to both write and speak. I view my role as writer and also as oral communicator.
Anyway, what makes people look youthful is the quality of their skin and I don't think you can change that.