there are few issues with word "for" functionality-wise, a pen is for writing, though one can use it to keep window open
actions-wise, one can say "i bought flowers for my girlfriend", but what actually happening is he just bought flowers and no one knows where it ends up :)
KUN IPATRE MÜNASE, IMAPRE MÜNEK VESTA SIR ZITÖN, KUN IKARO ZITÖN