8. Around the time she gets home.
“Just when I got home from a birthday party with my friends, I received his message. It was a real contrast to the party I had just enjoyed and I was able to continue enjoying the subtle happiness his message brought,” remembers a Japanese woman in her 20s. After having a blast with her friends, she gets to enjoy her birthday in a whole new, different way. The only challenge is for you to figure out her schedule without being intrusive, which makes this maneuver a difficult one to achieve.