Make sure you find out about all of the community child health services in your area and then make the most of them. I found the free lactation consultant drop-in centre and the all day infant feeding clinic (also a free service) here in Brisbane incredibly valuable. The nurse and LCs were amazingly supportive and helped me get through a tough time establishing feeding.
There are mothers groups, fathers groups and support groups for mums who are struggling, all accessed through this amazing govt funded service. You should be able to find the info for your area on your state govt health web site. If there aren't physical services in your area there is the 24 hour health help line you can call if you are worried about anything, and the Australian Breastfeeding Association also has a 24 hr help line.
i didn't realize just how much support there was available out there until I really needed it and started looking for help. Never feel like you are bothering anyone or over reacting if you need to ask for help.
Also, I am finding Wonder Weeks to be a worthwhile read, helps to explain when you might be able to expect your LO to change their behavior in line with developmental leaps.
Encourage your partner to be as hands on as possible. I have had to really hold back from offering DH "advice" on how to do things, much better to let him work out how to do things himself so he is confident to have a go and not rely on you to be the guru on everything. As long as he knows what is safe and unsafe, he might do things differently to you, but that is better than you having to do everything yourself. Also great to help him bond with bub if he is really involved with the practical stuff like changing nappies and bath time.
Lastly, get comfortable bras! I spent a fortune on pretty BF bras that have stayed in the drawer since bub was born. I changed size a lot (cup and band) after my milk came in and I needed to buy bra extenders from a fabric store just to fit into them. I now live in the stretchy cotton cross over bras that you just pull aside, no messing about with clips or anything. Also they are soft and comfy enough to sleep in, I think they are actually called sleep bras on some web sites, I bought a size up so the band wasn't too tight so they are extra comfy. They won't suit everyone, but have been great for me.
Good luck everyone, remember that there is no one "right" way, just what is right for you