Please count earlier suggestions in your message and add your suggestion(s) after them.
Let me start:
1. Taking a warm bath.
2. A cup of hot chocolate.
3. A cold night in winter when you're sitting in the front of a fireplace and looking a snowstorm outside of a window.
4. When someone are smiling to you.
5. Eating sweeties and chips.
6. A feeling of success when you've solved a knotty math exercise or got on with a difficult horse.