My answer is that each of them bought the sundress as a charity event sponsoring something important to one of them, regardless of how they all feel, this one thing is important to all of them, so they put the weird thing about clothes aside to stand for something bigger than themselves :)
to answer the 1st question, space is an ever expanding domain isnt it? while we ie the earth remains the same, if thats the case then why arent smart people considering that? because if they do then they remain small and insignificant and the second question....why math uhhh sure! why not
my name is Aria, in game name is AriaNekogirl. I'm a dork a nerd and a gamer girl all rolled into one! I love animals shooter games and anime (yeah yeah yeah Weeb lul haha) if you have any questions just feel free to ask me! I'm an open book!