Why should we be scared of Aphopis?

im not scared...im like fu*k it. dosent matter, cause in 21 more years, we might have the technology to shoot the muthafu*ka down, or we could be living in space for all we know, lol. never know what they are going to bring out in the future. so, whhy be scared when theres nothing we can do about it, and when we might be able to fu*k the thing up before it even hits earth, thats IF it hits earth. most likely, it will not hit earth, so why be scared? Im not. right now, im foucusing on dyeing my hair blue, not to some big gay asteroid that MIGHT hit earth with a 2% chance