Possible Clues:

• Has he started to be grown-up? Faith, he hasn't! (9)
• Having grown up with a couple of cockney girls, he is not a good husband
• One playing away with mature person has the Queen, twice
• Although grown-up and married, he's been playing around with a couple of cockney girls
• 26 across is not faithful to a couple of unaspirated girls
• Faith, it's not in him to be grown-up and have a couple of cockney girls
• He's grown up with two unaspirated girls? Faith, he hasn't
• Man who cheats on his wife
• Faith, there's none of it for a grown-up with a couple of unaspirated girls
• When grown up, it takes two of 'er to make one of him unfaithful