https://www.youtube.com/watch?v=1XJ-0zU06Mchttp://www.ncbi.nlm.nih.gov/pubmed/18453390https://www.cosmopolitan.com/sex-love/a36457/things-his-body-language-signs-hes-into-you/https://www.psychologytoday.com/us/blog/let-their-words-do-the-talking/201607/5-nonverbal-clues-someone-is-interested-in-you.
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