The context of the following conversation is Cameron was much older than his brother so he was embarrassed his brother was more successful.:
Cameron says I'm really embarrassed that my brother is so much more successful than I am..
The friend responds That's nothing to be embarrassed about..
Cameron responds Well, I'm much older than him so I should be at least as successful or more successful than him..
The friend responds Not necessarily.  What you think is success may not be considered successful by everyday standards.
Cameron responds I am happy with my job and life, so that's important..
The friend responds It is, and that makes you successful..