Often in the study of Bazi, one of the area of interest of students is the Peach Blossom Star. Peach Blossom carries many meanings and different schools emphasize different aspects of it. Nonetheless, it usually entails, affinity with people, indication of possible extra marital affairs or attractive person especially to the opposite sex.
The usual 4 Peach Blossom Stars are Zi, Mao, Wu and You. (子，卯，午，酉)
Here is an interesting real life case of two men.
One of the men below has many female friends and is the center of attraction to women where ever he goes while the other is just an ordinary family man. Now, interestingly both were born in the same year and each has 3 peach blossom star in their Bazi and coincidentally both are made of only 2 elements of Zi and Mao.