Why do my eyes cry?

according to the eye, why do we cry?
i mean we see the wonders of GOd
as well as admire the little things
that make us smile.
our brains have allowed us to register that feeling
of excitement that we feel when looking at that mountain,
from afar thinking to ourselves
oh my,that is simply beautiful.
yea, my heart gave me that little pitter patter feeling
my first time....
what about when we visually witness the beauty of
 per say, the backside of that woman that just walked
 pass from the gas station, coming out, as you
was going in, damn near walking into that stand
of potato chips. the only face you can make
is that ugly beer face while shaking your head. yyeeaa,
some things, your eyes just can not take... umph,,,,
what about the things your eyes see while watching the news
 and you look at a mother getting arrested because THIS simple
heifer sexually assaults her 2 year old child
you also have that moment when