This life goal requires you to have a Relationship Level 9 and a "True Love" relationship status with another Sim. It will be difficult at first to step up with your relationship level, but once you've reached the required level, it will be easy to accomplish this life goal.
The Real Deal
Share Romantic Memory" with your True Love
Gold Sack, Relationship Token, Simoleon, SimCash
1. Socialize with your "True Love"
This interaction will require 1 Energy point and 1 Hunger point. Tap your "True Love" Sim to interact . Select the highlighted interaction "Share romantic memory" on the list.
2. Perform the action and wait.
Wait for your Sim to finish the interaction. This interaction will only last for 12 seconds. It would be better to just wait instead of spending Simcash to speed up the timer.
3. Claim your rewards
Once done, you'll be receiving rewards from executing the interaction. Don't forget to tap on the golden check mark and the "Collect" option to take the rewards from completing this life goal.