Possible Clues:

• Logician
• One was thinking about having a child with 'er
• Syllogist
• One to argue back, boy ending in trouble kept in
• A piece of software which facilitates logical inference
• One speaking rationally about a young male monarch
• Some areas one reconnoitres as rational type
• I think about -- without exception -- Romeo
• One tries to be logical about a boy with hesitation
• Rather contemporary?