2) Sadly it happens. :( I don't think it's always a case of popularity although like anything it's a factor that does come up sometimes. Personally I feel bad if ANY post seems neglected since I hate the feeling, but I can say personally that in my case, my only reason for not replying to something is lack of an idea for a comment. XD

3) Meanwhile I wish I had friends IRL who I could ramble like that with. Send me all the people you want to hit, I'll be glad to take them off your hands.