This is so true. The most unhappy people in life, if you listen to what they say it is because they have happiness tie to people in their lives or events. Someone as let them down, something has broke or they worry about what people will think of them.
People cannot make you happy, only you can make you happy. You have a choice. Yes, happiness is a choice. People can be in the present of the happiest time on earth and choose to be sad, mad, angry… We make a choice about how we feel about people, events, circumstance etc… whether it is subconsciously or consciously, our minds .