How to choose a theme for a persuasive speech? Questions to help!

I have a lots of tasks for this week! And they're very interesting, I may say!

Firstly, I should to choose a theme for my persuasive speech! When I think about this, there is the theme about Self-Help in my mind. But to clarify the purpose of my speech I have questions from the book.

– Why should I want to talk about this?

On the eve of each new year, people commit to making lifestyle changes they believe will usher in personal satisfaction and happiness. But while an entire industry exists to help people meet these pressing goals, most individuals still flounder.
How many times can people try to lose weight, quit smoking, cut back on alcohol consumption, or try to find a more suitable purpose in life? One answer: As many times as it takes to get it right.

– Why should anybody want to listen to me?

Lasting change is difficult to achieve because many of our habits are deeply ingrained, and certain core personality attributes may be immutable. But all habits and character traits can be altered to varying degrees. It's never too late to change and with effort and determination, it is possible to be the person you want to be, or at least someone closer to it.

– What single message would I want to put across?

Time management is a struggle for many people these days. We have so much to do in both our work and personal lives – and so little time to make it all happen. 

That said, there are many ways to improve your time management skills.

– What need in the audience do I want to have satisfied when I have finished speaking?

Time management requires discipline, planning, a strong attitude, and the help of a few good tech tools. But if people get it right, it will definitely pay off in terms of higher productivity and lower stress levels.

– When they all walk away what state would I like them to leave in?

I would like that their team, partners and their family and friends will be much happier to be around them when they’re relaxed and on top of things. And to do this I try to help them!