I don't know why some yorkies just attach themselves to one person...My husband is home almost ALL the time - and I'm the one who leaves and does all the 'stuff' to the girls...yet they are GLUED to me and wait by the door when I'm not home - my husband loves them as much as I do - but they never follow him around or wait by the door ...
They LOVE you whether they are always glued to you or they aren't...you can bet on that