Got a lot of space today, maybe I should be on my own. Maybe hide out and get carried away with Fellini, Godard, Renoir, Truffaut.      Informers inform, cheaters cheat, lovers love...of course there are plenty of other topics you and I aren't above. Insisting on a motive only brings us down, so I suggest let's just stay in or catch a film downtown.       Everybody always has their reasons.       Late night dinner: we slide into a booth there, just another "cruel story of youth," where we both have questions why people do what they do, and I'm left quoting a movie to explain it to you.       Everybody always has their reasons.