step 1. Don't have flight sims as a hobby
step 2. stop calling fighter jets beautiful (even though fighter jets are the most beautiful thing in the world)
step 3. buy her flowers
step 4. don't brag about your dog-fighting moments or how many air to air kills you have
step 5. don't say she looks like a Boeing X-32 stealth fighter
step 6. do not under any circumstance show her your flight simulator gear
step 7. buy her a car (even though fighter jets are the best way to get around)
step 8. have enough money to buy three F-35s

hope this helps feel free to add anything in the comments