Well, as regards any "inflatable" or otherwise made "doll" of any competitive bodybuilder, it should be pretty realistic from a mental standpoint. And just as lazy, as all it's gonna do is lay there while someone buttfucks it to the guttural groaning of the "Sounds Of ManLove" MP3...
"OW! It's sooooo Biiiig! Make me a woman, big boy!" and the ever poopular, "Be gentle...you're my first (today)!"