Without forgetting to:
26. give her compliments regularly
27. love shopping
28. be honest
29. be very rich
30. not stress her out
31. not look at other girls
 

And at the same time you must:
32. give her lots of attention, but expect little yourself
33. give her lots of time, especially time for herself
34. give her lots of space, never worrying about where she goes
 

It is very important to:
35. Never to forget:
* birthdays
* anniversaries
* arrangements she makes