Here's what I like to imagine is going on in this:
"You didn't actually faint on the patio, you just wanted to see your poor old Mommy crouch down in front of your face and reveal her... *gulp* 'ch-chubby belly and thick, luscious th-th-thighs'?! Is that why you're laying on your side and are now trying to hide an erection?"
*lifts her arms up*
"You better get your cute... I mean perverted, butt up here and help my heavy old body back up, or I might as well just fall on you and crush you in my arms with it!"
...
Mutters softly, "Not that that sounds like a bad idea to me right now..."