This might help. Also *hugs*.
While perusing one of my favorite tumblrs (Women of Color, In Solidarity) I saved this post:
PSA FOR PEOPLE WITH ANXIETY
if you ever need to help yourself calm down, i really recommend rafael rozendaal's websites — they're basically just a bunch of websites which are interactive and allow you to cut or break the screen or even just manipulate colors.
Here is the link to the post: It is a great resource. Click the links and try it out......