I doubt that there are a lot of people for whom it takes such a long time to figure it out.
Back when I didn't know the difference between a favorite and a love (and from my perspective the use of “love” puzzled me) it really was an issue.
I mean, I don't see how a suggestion such as this could hurt, because can we really assume that “there are a lot of people for whom it takes such a long time to figure out?”
Ok, ok, three months is a bit absurd, but still – why cause even a bit of confusion?
What you're looking for here is definiton 3 of `love` as a verb on Merriam-Webster, which is almost certainly of no issue here.
It may be useful to note that dictionaries often have numerous entries for words.
“the object of attachment, devotion, or admiration”.
“Attachment” and “devotion” still indicate something deeper, which isn't really a reflection of what people feel like.
Definition of “devotion”: “the fact or state of being ardently dedicated and loyal”