Cousin doesn't hug me but does with others?

Anonymous
So I got confused by this. I have a cousin who is a year older than me and usually we are close in terms of having a bro/sis type of relationship.

I hadn't seen her in a long time at a family gathering. And she was about to leave and gave everyone else a hug (even my guy cousins who are all only 2-3 years younger than me).

But when she got to me she said "oh... your too old for a hug I'm gonna hi five you instead"... and it was one shitty high five LOL then again I was eating dinner at the time.

So why did she not hug me? I'm kind of at fault to blame for not refusing her hi five and asking for a hug. But I was caught off guard since I always hug all my girl cousins.

How can I be too old for a hug?
Cousin doesn't hug me but does with others?
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