When you need to relax after a long day and you want to see some peace and serenity in your life, there are all kinds of ways you can do that. A lot of people take scented baths, meditate or listen to calming music. Some also watch TV, work out or admire something in their life that they feel strongly about, like their John Hardy Jewelry.
No matter what you choose to do to relax, it has to be something that matters to you. It's not necessary to do what everyone else is doing, because each person is different. Doing the same thing other people do to find serenity may not be the key to making you happy at all.
Figuring out what you need to do to feel peaceful comes with some trial and error. You might search for things that other people do, or look up things that interest you, and try them out to see if they work. If they don't, you'll know that you need to move on to something else. There's no harm in that, and at least you tried so you know what you can rule out. Not giving something a chance can leave you confused about whether it will work or not.
It's basically not possible to be serene all of the time, either, so don't beat yourself up if you get stressed out occasionally. It happens to everyone, even people who are very good at remaining calm, focused and centered under pressure. They didn't start out that way, of course. A lot of them had stress issues, and that's why they worked so hard to overcome them. You can do the same thing, if you're interested in feeling better and being relaxed.
Learn what works for you, and you'll be able to lower your stress levels and find much more serenity in your life.