Pending friend request driving me crazy?

[IAMME]

So I friend requested someone 6 months ago, but the friend request is still pending. It is driving me crazy to the point where all I think about is why they didn't see the request yet.

If I cancel the request and resend it, will they notice it and think its weird 6 months later? Will anything else happen?

Also, if I send them a message, will they see it? Because apparently if you have an "Other" folder, there are important messages in it from people who actually want to contact you (not spam), but you don't know about it because you never receive a notification about it.

Why in the world did Facebook create this "Other" folder when so many people are missing messages that are actually important?