Is it true that the way someone leans into you says a lot?

So my friends and one of my friends mom says that if a guy is side hugging you and he leans in when doing so or you both kinda lean in a bit and form an upside down v, then he likes you.

If he leans away from you/you guys form a regular v, then he’s not interested. Is this true?

Is it true that the way someone leans into you says a lot?
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