I am still feeding DS exclusively at 4 months and expect to for at least a year.
What helped me was knowing what I might expect - I am quite active on various online forums and so while browsing and reading others' posts I saw that there could be problems - but I saw that they could be overcome. Also doing a breastfeeding workshop as part of my NCT classes really helped cement things into place for me - I'm not sure how helpful the other ladies found it as they have all started giving occasional or regular bottles of formula, (although one lady only does because she can't express - the others do because they feel they don't have enough milk) I think I took more out of it because I already knew the theory IYSWIM.
For example it helped me to know how milk production worked, and that even if he was "only" comfort sucking he was still probably getting milk and if not that it was at least helping my supply. Also to know that a breast is never empty, and that if DS cried after a feed not to think he was still hungry!
What else helped me was not having formula in the house - so on about day 3 or 4 when I still couldn't work out how to feed sitting up and was getting frustrated and tearful DP couldn't step in with a bottle for him (as he expressed a wish to do so!) - saying well I'll just get through the next feed and then we will see, really helped.
On that note it helped that I learned to feed lying down, and thus was able to feed in bed - I co-slept from birth which was a great help as the night feeds didn't seem like a burden.
One thing which retrospectively was a great help to me was being young and not having really been around babies being fed either way. I didn't have any preconceptions about how to feed a baby or how they should be behaving etc. I think most people have more experience of bottlefeeding - it is more familiar to them. Most people know roughly how to make up a bottle with powder and that it has to be warmed and sterilised - and if they don't, there are instructions on the tin. What do most people know about breastfeeding? Before I was pregnant all I knew was that the baby suckled at the breast and got milk out - it sounds simple but that is only one thing which is common knowledge about breastfeeding and three things which are common knowledge about bottlefeeding.
There are also a lot of myths about breastfeeding which I'd never heard of which helped - the idea that you might not have enough milk for example (very rare), that it should hurt, that it is difficult forever, that it delays sleeping through the night, etc.
I found it helpful to know what to expect in terms of how often I would be feeding in the first weeks and how long for, to recognise a growth spurt pattern of feeding and know it would be temporary, I found it helpful to relate to tribal or stone age women and mammals and realise that they didn't need formula so why should I? In fact that was probably the one biggest thing - knowing what was normal and when to worry. Maybe there should be a leaflet or a section in that birth to 5 NHS booklet which tells women this - or even better, on the side of a box of breast pads!
I agree with the above that health visitors should be more supportive, their answer to everything seems to be formula - it's stupid. The NHS spend ages trying to convince women to breastfeed and then seem to work against that all the time. I have never had a problem with breastfeeding and yet they still managed to make a comment against it at about 10 days. When I get him weighed now they are always surprised and patronisingly congratulatory when I say I am still breastfeeding.
Anyway I have ranted for too long! In short I think the following information needs to be made available and constantly accessible to women:
-X,Y,Z is normal and temporary. Do not worry! You are doing fine!
-If A, B, or C happens, consult your doctor/HV/BFC
-It's only difficult to start with - by about 8 weeks everything will click into place and you will be able to breastfeed hanging upside down in a tree if you really want to! It DOES get easier. Be patient. You are learning a new skill.
-It is okay to sleep with your baby (unless D,E,F).
-If you are struggling you can contact G,H,I for support.
(X,Y,Z = things like growth spurts, feeding lots, minor weight loss, other common things percieved as problems)
(A,B,C = things like losing excessive weight, baby dehydrated, pain after first 10-12 swallows)
On the packet of something like breast pads would be a fantastic place to put this information, as well as a leaflet or something you could stick on your notice board/fridge.