well.....

is a VERY good start, hehe
ok, kidding...
#1, get yourself into good health. Take multivitamins, drink lots of water, get a good balance of excercise and health. These things don't just help physically, they also help mentally and emotionally as well. (plus its easier to maintain a healthy pregnancy if good habits are learned ahead of time.) Treat yourself as you would if you were ALREADY pregnant.
#2 Before you dive into temping/charting/opk'ing etc, start with a more relaxed natural approach. After

has left, start

every other day for a few days, then every day if possible from cycle day 10-ish onward (if you have a reg 28-30 day cycle) if you have a longer cycle, just

ever other day until about a week before

is due.
bd'ing every other day from about day 8-day 18 is often all it takes as sperm can live for a few days in a good welcoming environment.
#3 if a few months have passed without a

, then dont let charting/temping scare you off. Alot of women find comfort in temping through methods like fertilityfriend.com because it teaches them alot about their body and natural cycle. I know for me, it taught me SO much.
#4 find support through a cool place like SheKnows