Like i am on work in office i have to keep 2 stones with me or just one?Connecting stone and spirit stone? i already did a welcome and offered her something which is given in encyclopedia association.. and i already wrote a mail yesterday to help desk no reply yet i am waiting for that

You don't need the vessels with you all the time. You can carry both if you want, or you can just keep them close when you go to bed. Do whatever you like.
If the Spirit is bridge to you, you can leave both vessels at home and go wherever you like.