Being left out is NOT fun and I've had some very good friends that left me out of things. It makes you feel like you nobody cares about you and your are all alone. Just put yourselves in their shoes, if you were at home bored and all your so called "friends" were having a good time without you. Just think about it the next time you leave someone out.
Every time you praise something, every time you appreciate something, every time you feel good about something, you are telling the Universe, "More of this, please. More of this, please." Abraham-Hicks Quotes (AHQ3110)