she would then notice you and wave

Oh! Hi! I'm Stella! Unfortunately my friend Emily has got bitten by a blueberry mantis, but oh well...

a manic and dangerous glint in her eyes appear behind her glasses as she smiles

I guess this means she'll have to roll the whole way through... now that she's slowly beginning to swell up... filling up with all that blueberry juice... she's even becoming a giant blueberry... I could use some great research for this...