Eye contact with girls

This question is for girls especially. So, Girls what's the difference between an affectionate eye contact and a lustful eye contact?

Yes I know the literal meaning. But I am asking about how you distinguish between those eye contacts that which has love and which has lust? Does it just depend solely on the person who is looking at you or something else?

I am a total newbie of these matters so don't scold me🥀