When they're napping don't creep around. Make noise like normal otherwise you'll soon find they'll only sleep in absolute silence and you'll be sentenced to creeping and talking in whispers!
Get them napping in their cots/Moses basket early on. Have a friend whose LO will now only sleep whilst in her pram. My poor friend leaves the house at 9am every morning and just walks and walks. Great for getting back in shape I guess but crazy!
If you are bf (which if you want to/can is really wonderful) then don't worry about doing it in public. Once you get the hang of it it's so easy and honestly, noone has said anything negative to me, or stared at me etc. In fact quite the opposite.
Babies cry! I used to get flustered when DD set off and was worried about her crying in cafes, restaurants etc. Your own babies cry is set at a pitch to get your instant attention, most of the time it's not as irritating to others as you worry it is!!
Sleep when they sleep in the early days.
It's ok to spend the occasional day in your pyjamas or not have a shower until 3pm!! But if you can get up and get washed and dressed early then I found this made me feel much better about myself and the day ahead. Bonus points if you to blow-dry your hair and get some mascara on
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Get out of the house at least once a day.
Don't be lulled into a false sense of security! The first two weeks for me were really easy. I remember thinking 'this parenting malarky is a breeze'. She just feeds and sleeps. Wonderful! Then at wk 3, colic set in and my god, how things changed! Weeks 3-6 were the hardest for me, tiredness wise. I think the first two weeks I was getting by on adrenalin but that soon wore off! DD is 8mo now and is still keeping me on my toes. Just when you think you've got it Sussex with a nice little routine, they throw you a curve ball and it's all up in the air again.
That being said...I wouldn't have it any other way! You are about to do the most amazing 'job' ever. It's hard work but totally wonderful. DD amazes me every day and I still get emotional when I look at her sometimes. Still can't believe she's mine! Good luck...and enjoy!