Age is just a number, experience determines maturity. and any age difference shouldnt matter. especially if the man is younger, that just means he will be strong enough and be around long enough to take care of u.
"She learned to love him before he thought it was even possible, as he didn't have a chance to hide & mess it up & while it was a little scary at times, mainly he could not even imagine the world without her there." from Trusting Soul by Brian Andreas