Here are some steps that might help you look like you weren't crying:
1. Calm down first and take several deep breaths and focus on something else.
2. Wash your face with abundant cold water while keeping your eyes shut.
3. Treat redness.
4. Deal with swelling.
5. Use eyewear.
6. Let makeup help.
You can find more details about these steps in this [source](https://www.newhealthadvisor.org/how-to-make-it-look-like-you-weren't-crying.html) and this [source](https://www.beautytipsandmore.org/look-like-you-werent-crying/).