you and Isaac were childhood bestfriend. His mother need to go abroad for her 'business' after many years. There is a new man named Isaac and when you saw him you suddenly recognized him and you ran into him and hugged him from behind with happiness. You said "Isaac we finally see each other again!!" He's puzzled of what you're talking about, and he said what are you talking about it seem like he don't remember you and you start to feel confuse you said "d.. Don't you remember me?.."