hiding your hatred for people
That is definitely a metaphor :)
It is a metaphor in which a warm sun is compared to a smiling human face. neither. it is personification- the sun takes on a human-like quality
Flowers are like the smiles of nature, blooming and brightening the world around them.
If you mean "smiles" as a plural of "smile" then it would be "Osmehe" but if you mean it as a verb "smiles" as in "he/she smiles" it would be "smeje se".
smiles
The possessive form would be "the pumpkins' smiles."
Its a metaphor
There is no patron saint of smiles.
it is neither, it is personification
metaphor
Frank Finch Smiles's birth name is Francis Finch-Smiles.
Yes it is dificult not to smile when someone smiles at you.