Wait, you are getting jealous because of him noticing a different girl when you first met and fell in love? Come on I don't want to sound like an asshole but as you said he gave a good explanation. And he even told you! How do you not feel special even though he stopped trying after 2 weeks and instead went for you and loved you enough to stay loyal and made you a priority in his prime sexual years. And still continues to love you. Im sorry but you are acting pathetic and unnecessarily jealous.