Our energy is a finite resource. Sometimes maybe we wish that we could do everything that everyone needs, but this is not a way to be successful. In reality, we are likely most successful when a lot of things we need to do are being delegated. Living the life of your dreams almost definitely means not taking on everything yourself. Not only is it exhausting, it is not in partnership.
I got today’s inspiration from the great article here Best Productivity Trick. There you will find lots of tips and tricks for how to say "no" nicely, but the bottom line is that anything you do from an empowered place is not going to be a problem. How you spend your energy is your decision.
Learn to say no from an empowered place. Remember, living the life of your dreams does not involve granting every request that anyone makes of you.