I'm still wondering Aoi did actually take money from his mother, in his story he says that...

I'm still wondering Aoi did actually take money from his mother, in his story he says that it was just an excuse to see Kouki so maybe he didnt do it but just told Kouki so? Also the mother, you see your son has a problem and you dont do anything useful? You just tell him off??!? （/TДT)/