Show the good lady all of the reasons, terrible reasons, snails are a bad idea...than show her how cute puppies are...here I'll help you, with the 'worst' dog known to man, a pitbull:
Lucy. Awww, how can you go with a slimy crustacean when you can have this?
Aw see. If only she could see sense. She things we have enough on our hands with our two mental children!!