A routine is possible at 7 weeks,I totally agree. My baby is now 13 months old and she was in a routine since day 4, meaning since we went home from the hospital. I am a maternity nanny (sometimes still called a maternity nurse, old style)...however I cannot deny it was hard work. The waking in the nights when you are tired and oh-so-hormonal makes things so hard. And the crying of my own child made me so upset, no matter if it was wind or fighting sleep I would bring me to inconsolable tears. I would say it was 1000 times more upsetting than the baby that an other mother made and I only had to sleep train. It only lasted till week 10. She was not colicky, she was not in pain. She was just in tears. For any support and extra advice,please feel free to write to me. Sometimes all you need is a nice cup of camomile and cake. Lots and lots of cake!!