There is a reason why you should avoid giving your boss your phone number if you can help it. Sometimes, you don't have a choice, but what you do have control over is when you choose to respond to your boss. The reality is that engaging with your boss is part of your paid employment. Therefore, you really only need to do it when you're on the clock. It can be hard to draw those boundaries, especially in this day and age when it's nearly impossible to unplug. However, if you do manage to establi…