Step 1. Make an instamotion reel with your face. OR Use your personal video (whichever it may be)
Step 2. Download the file (mp4 video) to your device
Step 3. Turn your mp4 video to a gif using an online website
(Some safe sites: Freeconvert, EzGif, Adobe tools)
Step 4. Save it to your device
Step 5. Head to an image share site and create a hyperlink share of your gif.
(Some examples: Postimage, ImgBB share, Imgur, etc.)
Step 6. Share the link
GL.