Add the play button and create a large youtube thumbnail for facebook share. Create youtube shareable link with large thumbnail with center play button for facebook
You can gather more viewers for your youtube video and can increase watch time by generating a link from here then share on facebook. The play button inspires users to click on the video and watch.
Here is an example of how general youtube video and fbutube.com generated video links preview on facebook
Link generated from fbutube.com also redirects users to youtube.com as usual. Simply copy the generated link and post/share facebook or you can share by clicking on the share button. Sharing youtube link from fbutube.com can increase your CTR to 200% and helps you to increase your traffic by 200%.