Possible Clues:

• Bloom's partner shown round biblical site
• Acting grown-up
• Couples in Mary Tudor's reign formed after adequate deliberation
• Emotionally developed
• Adult from university runs into friend
• Adult male at university, extremely reliable
• Fully-developed horse bearing 5? Not half!
• Pal grabbing university rector's top? Grow up!
• Responsible male character not providing name
• Become wiser, maybe