How to Keep the Attention of an Audience for More Than 40 Minutes

i'm just always fascinating and compelling. I think it's the only reasonis just, i'm just born with it. Any tips for keeping the attention of an audience for more than forty five minutes? For stand up even an hour, like its 50 55. You start with a good bit, a couple of good bits, and then you can some ship bits. But yet, after a certain amount of time, you need have a, i don't know, a surprise thing.