QUICK ANSWER
"My love" is a phrase which is often translated as "mi amor", and "I love you very much" is a phrase which is often translated as "te quiero mucho". Learn more about the difference between "my love" and "I love you very much" below.
my love(
may
luhv
)A phrase is a group of words commonly used together (e.g., once upon a time).
I love you very much(
ay
luhv
yu
veh
-
ri
muhch
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. te quiero mucho (informal) (singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
Darling, I love you very much.Amor, te quiero mucho.
b. te amo mucho (informal) (singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
I love you very much, even after all these years.Te amo mucho, aun después de todos estos años.
a. les quiero mucho (plural)
You know I love you very much, my darlings.Saben que les quiero mucho, mis amores.
b. les amo mucho (plural)
I love you very much. You know that, don't you?Les amo mucho. Ya lo saben ¿verdad?