Going to halloween with my sister...

I'm going trick or treating (Free candy! Don't make fun of me *-*) with my sister and her friend because I have no friends... I hate doing this for a few reasons.

First of all, if I had friends, I wouldn't need to go alone. I would have my friends to go with!

Secondly, I don't think my sister is crazy about it. She doesn't say anything, because she knows that I don't have any friends, and I really appreciate that. But it feels rude.
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Lastly, it's embarrassing! OMG... I hate to see my classmates. It's like "He's with his sister? Hahaha loser!"

So I want you to answer a few questions:

1) Do you agree with my free candy comment?
2) Would you go with a sibling if you didn't have any friends?
3) Would you like it if a sibling went with you and your friend?
4) Would you laugh if you saw a classmate with their sister and their friend?

Thanks!