How to know if she really likes you?

Just as the question mentions, I have mistaken a few times where I thought a girl likes me. Then again she will either stop answering, reject me by ghosting, or just say she isn't interested in me like that. Thus I am here trying to figure out more foolproof ways to figure out whether or not a girl wants me to ask me out. Then again I wonder if I am even handsome enough to get what are called "choosing signals."

How to know if she really likes you?
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