Don't be attached to the things of the world, and don't be attached to the things of the other world, because things are things. It makes no difference whether they are of this world or the other world - attachment is the problem.
Drop the idea that attachment and love are one thing. They are enemies. It is attachment that destroys all love.
As long as the "I" is there, love cannot be. All that we call love is only desire, longing, passion and attachment; as long as ego is there, all these bind one.
Attachment is the shadow of the ego. Attachments are immediately created wherever you see 'I am'.