Discover the things happy people do every day to boost their joy. Note: Make sure all your meals are animal-free ("vegan"). Food that involves intentional animal exploitation and cruelty will never lead to happiness.
I'm not sure if I completely agree with this because you can be happy from being with other people, but I think I would agree more if this said positivity instead. Being happy is a very personal thing and it really has nothing to do with anyone else.