Whenever a human being ceases to live for themselves and begins to care about that which is greater than themselves, the personality begins to experience ecstasy, joy and spontaneous liberation. And that's found through doing, through action, through giving, through deeply embracing the human experience.
For a selfie, it's not about the pose, it's about you. There's a reason why you look great in the picture or you look great in real life, because someone has caught the essence of who you are, and a pose is not you.