I'm liking this, it has good characterisation and I'm interested to see how you get to porn from here. Also, who knew that Ritalin started being prescribed in the 1960s? Not me, that's for sure. Minor critique, you might want to leave out parentheticals like the bit telling us how the diary was written. We can see that this section's a little better thought-out. Show us, don't tell us. You're really a good enough author not to need that kind of thing.