Your reason is not right to leave your family, you love this girl because she is new to you... family is no comparable to anyone new, this girl will not last like your family...don't forget that you married your wife because you liked her if not loved her, if your attitude is to leave your family because of this girl, there will be no end, next time you'll find another lovable girl and so on...be contented with your family, this girl will leave you too if time comes she know you are married or when times come that you are not satisfying her in her needs.Don't ruin your family because of your wrong thoughts....lusts never lasts...

"There's nothing we can do to change the past, if it teaches  you a lesson profit from it then, forget it."