1. Make your baby feel treasured and secure through the way you talk to, look at, and hold him/her.
2. Don't be afraid to ask your doctor about even the smallest health concerns that arise. Even relatively minor health issues can affect babies seriously. Err on the side of the caution.
3. Respond to your baby's cries with understanding and with a reassuring tone. Babies don't cry "for nothing", even if mothers can't see what is bothering them. When they cry they're distressed, and that's when they most need a mother's reassurance.
4. Keep in mind that no matter how close you feel to your baby, s/he is a separate little human being with his/her own feelings, emotions, and body. Respect that your baby is a separate little human being - not a "part of you" or "your doll".
5. Talk and sing to your baby from the minute you bring him/her home and keep making the effort to help him/her know you'll be bothered trying to communicate, even if s/he doesn't understand what you're saying. Too many people seem to think that because babies don't talk nobody has to be bothered trying to share what's going on with them. They'll leave babies to watch what's going on without ever making the effort to proactively make the baby a part of things. Learning verbal skills and human interaction begins the day the baby is born. Brain connections are forming long before a baby says his/her first word.