It's difficult to be supportive and happy for someone who you feel has so much more than you. No one can escape the feeling of jealousy (or self-pity). But this whole "why me" thinking isn't going to plague you for too long today, because you'll get a few sneak previews of your future that will cheer you up significantly. There are bigger things coming, and they'll make you happier than you are now with the situation you're in. Everyone has their own path in life.
Your birth chart is a map of the sky at the moment you were born. Download the Sun Signs app to find out how the planets’ positions influence your life.