pats DonnaNoble on the head. Stop being mean to her, or I'll use TheDoctor's screwdriver on you.
Danni
says
just don't let her know who or what you ar.
Wouldn't she be a mite suspicious if a large blue police box suddenly patted her on the head? 
gravitygirl
says
kinky
justaredherring
thinks
the TARDIS can probably fix her chameleon circuit for the occasion (especially considering the Doctor keeps it broken for the lulz).
karma medic
says
karma medic
says
Tell me more.
The TARDIS
was
upset with TheDoctor because DonnaNoble was going to fix the chameleon circuit.
thought you liked being a blue police box?
The TARDIS
likes
a change every now and then.