How to Be a Successful Speaker

I've noticed that living in Dubai, you can have a very comfortable easy life and I've needed to force myself to do new things. The most challenging thing that I probably did was just go and train legs. That was it. So this has been a good challenge for me. And I think there's certainly looking forward, there's more things which I would like to challenge myself with. What are you thinking? Maybe the speaking in front of large audiences is something which still makes me think, oh my God, I'm holding it exactly.