It's a quiet carriage, not silent. Chatting is fine.
Yes, but not at such a level that sitting eight rows behind, for four long hours I learnt everything about this guys daughters, one went to St Andrews to study geography but didn't like it , so took the very brave decision to transfer to Edinburgh. Not many young people would do this !!!! I could tell you exactly where he lives, his wife and daughters names, their partners names where they work etc, etc . Where the are going and where they have been on holiday for the last 10 years!!!
Unfortunately I didn't have the guts to say anything and neither did anyone else.
Even with earphones I had to turn the volume on my iPad up really high.