I am 34 and my DH 39, married for 8yrs. We hear more than our fair share of 'you'd better get cracking if you want kids'. Little do they know we have been trying since our honeymoon & have had 6 failed IVF attempts in the last 2.5yrs.
We prefer to let them think we're leaving it 'til whenever; rather than share our personal infertility issues with them.
If your friends are in this situation, they may resent any advice, albeit well-meaning, so I would go with PPs who've suggested it's best to say nothing.
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