If a person you like , who knows you like them, reacts to post on Facebook that are specifically about your family could that mean something?

Say for example they heart your birthday post dedicated to your mom or your post/video of your child taking their first steps etc could they just be being friendly? or could they genuinely care about things like that that are going on in your life?

If a person you like , who knows you like them, reacts to post on Facebook that are specifically about your family could that mean something?
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