Block it when you spend too much time on it.
- You can download from Chrome Web Store
- Or use the zip version Latest Release
- Visit
chrome://extensions
in your browser (or open up the Chrome menu by clicking the icon to the far right of the Omnibox: The menu's icon is three horizontal bars. and select Extensions under the Tools menu to get to the same place). - Ensure that the Developer mode checkbox in the top right-hand corner is checked.
- Click Load unpacked extension… to pop up a file-selection dialog.
- Navigate to the directory in which your extension files live, and select it.
- Set the Daily Quota (how many hours you should spend on V2EX every day).
- Wait to be blocked.