iOS 12 is coming this fall with the addition of Screen Time which is Apple's atempt to tackle cell phone addaction. With these feature you can limit your app usage to keep your addiction under control.
Photos is the default app for importing photos and videos into a library stored on your Mac. But there is another app in your "Applications" folder of your Mac that most people overlook called Image Capture. Unlike Photos, Image Capture imports your photos and videos to the folder of your choice. This is a great option to use if your importing pictures to share or if your a WindowsOS user because Photos libraries cannot be opened in WindowsOS.