May be my words arent wise or clear enough to be understood but I try for those who dont might never have the courage to

Attachment.Verbatim in dictionary->The act of attaching or the condition of being attached.
Something, such as a tie, band, or fastener, that attaches one thing to another<-
So what is it that 'something' that attaches one human being to another. Love?No not love. Love is a feeling not 'something'. Companionship? It's a state of being. It's not a 'something' either.
Attachment. I think its a plot of love, companionship and your human void. They co-produce and direct together.
When you have a want and when its satisfied for even a minute in your 24 hours. You get attached to the feeling of satisfaction. Its addictive like a drug. You feel pangs of hunger.You need to feed that hunger and that want again.

But then why is it some get attached real fast and some of us dont get attached at all?
Or is it that addiction has a role to play. Maybe we all need some kind of addiction be it smoking, sniff coke, eating icecream, drinking alcohol or even having someone to take care of.