firstly dont set yourself any goals. If you go into this with your mind fixed on being pregnant by a certain date you may stress yourself and make it harder to conceive.
if you want tips on making it easier then the usual eating healthily, cutting back or quitting drinking, smoking etc. Start taking folic acid when you start trying too.
i fell easily with my 2 and i can pinpoint it to 3am sex lol. the fact that i didnt get up, walk around, go to loo etc helped the vital stuff stay in situ.