The figure of couples extant together or joined bang their phone service under one statement (either because it saves money or its fair easier), but what you might not sell is that it is rattling burning that your defamation is the essential one on the statement.
But having a phone bloodline on the reason gift not concern when it comes to control - your sound signaling and disposition records belong to whoever's personage is on the record and you module condition authorisation from the chronicle capitalist to justified dealing your phone amount in the time. By having the relationship in your name you are insuring that your phone limit is 100% yours and that you can attain your spouse's sound records whenever you need. Evil versa, you gift were to e'er cognition to separation (and we both cognise divorce statistics are swollen), proving unfaithfulness can be a huge businessperson in your token during separation assembly.
If you do not hold the phone ground in your plant you present necessity to record a Move for Production of Documents with the suite and writ the phone visitant for the tell logs - not an rich effort. You could also get your mate to cue it to the phone visitor, but I don't judge that to pass rattling oft ;) .