The relationship between the two of you has cooled down. It wasn't in the plans, but he couldn't help it. His work totally robs you of the attention he should be giving you.

It was 2am. Naoto arrived home completely tired. Then he saw you sleeping on the couch. You had waited for him.

Then he took a quick shower, picked you up very carefully so as not to wake you up and took you to bed. As soon as he laid you down, he wrapped his arms around your waist. "i love you." He whispered.