[Private]
[ Sex... sex was usually required for kids. What's with the cryptic! ]
Well... it does sound like she's had a shock. And if she's not looking for the resemblance, she may have just missed it!
Small steps sound the best. Start out with names! Help her with the chores. Find out what she likes. Ask your bro--Kaito if he could help you out a little, neh? He's bound to know something you two have in common! [ unless it was a one-night stand, hmm... ]