@brook2adks so in essence the guest has upstairs and you downstairs? If so, I would say: 'You will be staying upstairs (queen-sized bed and full bathroom) and downstairs is our living quarters". No need to describe how YOU be living, nor reffer to yourself in the third person, since in all likelihood your real name is a lot more friendly sounding than calling yourself ‘Host’.
The ‘full’ bathroom has its own shower right? Why you call it ‘full’? Just checking. No clue what ‘en suite’ means, never heard the term.