L is satten with light in the office, they both are sitting in silence looking at the proof they have already. L knows it's useless he knows that kira or light yagami is satten in front of him and he is free.it makes L so angry he needs to think about something. that's when he gets the idea...He will make Light fall in love with him so he can arrest him L looks at Light, he needs to do this with the most normal way possible.. Even if it doesn't come naturally to him

"Did you find anything?"