True is the answer to your question I believe
Although exercise is the best way to do that, there are other ways.
Practice controlled breathing exercises, which are easy to do from the comfort of your home.
One is where you take a few small breaths in and one large breath out. Keep doing this.
Breathing exercises are also relatively easy to find on the internet.
You remember everything you need, you know what to get when u enter the store so u don’t get off track, and you can be quick in the store