@InfraBlue,
Infrablue wrote:Directed to a woman the phrases would be:
"hai resa speciale la mia giornata"
and
"mi hai fatta felice"
right?
Not really.
Look, hai reso is the past tense of render. Usually, it's invariable unless it applies to a person, not to things, like a day (giornata).
If a lady is talking, then she can say: mi hai fatta felice.
If it's a man, then it's: mi hai fatto felice.