The original meaning of the word blue is blue, sad and sad, but it doesn't mean this in love. Blue = because I love you every day, which means: because I love you every day.
If you meet someone who gives you a blue note, the other person must love you very much, so cherish him. When you meet someone you like, you can also change their note to blue to show your love.
Other precautions for boyfriends
2 1:57: I love you infinitely. This is a homophonic confession, such as 520 (I love you), 13 14 (for life) and so on.
The homonym of 2 is love, the homonym of 1 is you, the homonym of 5 is nothing, the homonym of 7 is period, and the combination of 2 157 is to love you all your life.
Another explanation is that 2 1: 57 is 9: 57 pm, and 9:57 can be divided into 9+5+7=2 1(2 1 is the homonym of "love you").