Argongas

You can get a watch repair kit on Amazon that will have the tools to remove the pins between the links.

I’ve also had luck going to a department store with a jewelery counter and seeing if they can make adjustments. Especially if it’s a brand of watch they carry, you can always say someone got it as a gift for you from that chain of stores.

Go for a walk, longer is better but even 20 minutes will help.

Eat fermented foods and plenty of fiber to keep your gut micro biome happy. There’s increasing evidence that your gut health impacts your mental health.