I'm not really sure what a "love monster" is... maybe bête d'amour?
You say "j'aime le français" to say "I love French" in French.
love in french is "amour".
"monstrueusement haut"
monstre marin
To say "I love him/her" in French, you say: "Je l'aime"
You can say "Je l'aime" to say "I love him" or "I love her" in French.
to love is translated 'aimer' in French
in love in French is "amoureux de".
I love it is "j'aime / j'aime ça" in French.
"and her love" is ".. et son amour" in French.
aimer as a verb, amour as a noun are the French words for Love
I love you is L'amoire. I'm guessing to say just love you, you take off the L'.