"Life is sweet" in Spanish is "la vida es dulce." It is pronounced, "la BEE-dah ess DOOL-say." Sites such as learn-spanish.co.il provide audio pronunciations of many common Spanish words.
So sweet. = Tan dulce.
eres dulce
ricura
dulces sueños
muy dulce
Ella es dulce.
frijoles dulces.
There is not exact Spanish equivalent of this. You could say"Mi amorcito" or "Mi corazoncito"
te quiero (Spanish) -> I love you (English)
hola muchacha dulce
Translation: algo dulce
mujer/esposa dulce