Top Ender Giggles - Sage advice

Last night I took Baby Boy up to have his last feed of the night (well before I went to sleep!) and for me to get ready for bed too. Top Ender was downstairs with Daddy watching a cartoon before it was time for her to go to bed. Suddenly she appeared in the bedroom to announce;

"You should do something that you don't do"
Thinking that she meant something like not tell her off I half heartedly said "Whats that?"
"Dye your hair... It would make it glossy and shiny!"