at some point artoo WILL casually ask her 'does this unit have a soul', but only so he can laugh and put a picture of her horrified trying-not-to-shit-pants expression on space instagram or whatever
but this is because i firmly believe with all my heart that artoo detoo is a lil shit and the reason those beeps are never directly translated is that every movie's You Can Only Say Fuck One Time limit for pg-13 would be blown in about 15 seconds of said beeps being subtitled.