This period of courtship is sometimes seen as a precursor to engagement or marriage.
Dating as an institution is a relatively recent phenomenon which has mainly emerged in the last few centuries.
Speaking to followers at the Vatican on Wednesday, the pontiff said every person has a guardian angel advising them in life.
Stressing they were not imaginary, he said it was only pride stopping people hearing their voices.
The concept of angels moving among the living, hearing their conversations, experiencing beauty that humans rarely stop to enjoy or even notice, yet not feeling any emotion or passing any judgment, was first discussed in the writings of Rainer Maria Rilke, specifically, his collection "The Duino Elegies". And, I got this-this jolt - I got this feeling that there's something... There's something bigger than me and bigger than you, and it- Does that sound crazy? I have seen it several times and it still never ceases to bring me to tears.
Seth is an angel who accompanies the spirits of the recently dead to the ever after.
The movie is beautifully photographed, and the love story, although a little far fetched, (angel gives up being an angel to become human to be with the woman he loves) it is still incredibly moving.
Pope Francis has said he believes in angels, telling Catholics around the world to reaffirm their belief in holy guardians.
It can be a form of courtship that consists of social activities done by the couple.
The protocols and practices of dating, and the terms used to describe it, vary considerably from country to country and over time.