Are they in-love or adore me?

They’ve been secretly interested in me a few years, didn’t see me for 4 years and now they do and have shown interest non-stop.

They look at you happily. Eyes smile/face lights up.
They can’t stop looking at you. Whenever they’re near me.
They are happy around me. They’re more relaxed, confident and themselves.
When away from me, they can’t wait to see me. They’ll look forward to seeing me.
When I change my mood, they get concerned/worried.
They get a little jealous when talking to others, but crave to talk to me.
Are they in-love or adore me?
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