Questionnn bout Spaceeee! .<3?

Okay honestly... Space is freaking amazing and like idk how to describe how friggin gorgousssss it is soo yeah. Any waysszz. I honestly do not believe we are the only people wwith life on are planet like their is otherr life some where.. i mean there are billions of galaxys and lots of different kinds of galaxys... So does any one want to explain why EVERYYYY ONE believes we are cus it makes me mad .