He rolls his eyes at the blatant ego-stroking (as he sees it) and leaves it alone. Her question has caught his interest.

'Because I wan' t'know if you'll do it.'

She wasn't expecting anything other than honesty, right?

'...an' also 'cos it's nice bein' the bloke who introduced you to it.'

There's a pause, wherein the Smug makes another appearance.

'No need t'ask if you liked that bit.'