es demasiado dulce
So sweet. = Tan dulce.
eres dulce
ricura
You can say "Primer grado es dulce" in Spanish. This phrase captures the idea that first grade is sweet or enjoyable.
muy dulce
Ella es dulce.
dulces sueños
frijoles dulces.
There is not exact Spanish equivalent of this. You could say"Mi amorcito" or "Mi corazoncito"
To say "you too" in Spanish, you say "tu tambien".
te quiero (Spanish) -> I love you (English)
You would say 'you're too funny' in Spanish as "a su gracioso'.