A well-defined problem is half solved.
Like all forms of design, visual design is about problem solving, not about personal preference or unsupported opinion.
There is no such thing as simple. Simple is hard.
I've been doing this for a long while now and have found it's generally better to work 'with' people, rather than 'for' them. I know you can play a number of vital roles in the successful outcome of your project.
It's helpful to discuss these during our initial meeting.
I really look forward to working with you.
Whether the task is writing, design, or hanging a picture straight, it is obvious that we do our best work when healthy, rested, refreshed, alert, and eager to do the job for its own sake.