Happiness can seem fleeting but since it really is a state of mind there are things we can do immediately to change our happiness levels. Here is one that may seem surprising.
Life up the corners of your mouth. That's it..... Just act like you are smiling and your body thinks you are. There is a physiological effect that makes you instantly feel happier.
Yesterday I was out walking without a coat and it began raining. I began to get wet and soggy and I was feeling rather sorry for myself. I tried this little trick and it worked for me just like it has in the past.