A Strangely Close Friend?

Been thinking of this the whole morning. What is that supposed to mean? Definition from www.dictionary.com.

–noun

1. a person attached to another by feelings of affection or personal regard.

Feelings of affection. Check. Feelings of personal regard. Check. Attachment. Check.

A close friend is someone whom you have entered a closer than close relationship with. How close is close? Hang out? Frequent hang outs? Hugs? Kisses? More? What is the line and where are the limits? When the strange questions come out what does it mean? This is a weird weird world already and I think I have made it weirder. Therefore, I now have a strange close friend. So screwed.