It is very easy to get drawn into every single discussion, every single decision, and every single detail. PMs exist smack dab in the cracks of the organization. You become the information conduit, which is a blessing for your short term career, but a curse in disguise. No mortal can tie up all the loose ends, and you eventually end up pissing people off. So you’ll have to learn how to say No to meetings, calls, and continuous shoulder taps without being a jerk. Part of this is a mindset shift. Less savvy product managers tend to relish playing the information filter. But that simply doesn’t scale.
— Read on medium.com/@johnpcutler/time-management-tips-for-product-managers-925e4ac5efa9