I can see why you fell in love with those eyes instantly, I would have too. Mia is the sweetest baby, worth waiting for, for so many years !
She loves to play - would you consider making another trip to the Humane Society to get her a little playmate ?? I'm sure she'd love to romp around with another adorable kitten while you're away at work !
Now that you've got your mother convinced, why not go ahead and splurge !
*Mwah* Big kisses to lovely Mia