A woman told me what "we have sealed it" means. I really don't understand. Please explain.

Sealing means making a promise, that is, the thumbs are touching, indicating that there is some kind of commitment between two people.

The other way, especially between men and women, is to stamp the marriage certificate. The spoken words are a bit joking, but there are also two people who can become lovers and even get married in the future. Lovers A way of saying that if this is the case, he either has a very good impression of you, or you are already a couple.

I hope my answer can be helpful to you

I hope you will adopt it

That is what you have agreed upon, in short, there is no other meaning. , I probably don’t have a good impression of you. If you think about what happened to you before, you should have some clues

If you are satisfied, just accept it. If you have any questions that need analysis, just ask them