The usual causes are that she deleted her Dating profile, deleted her Facebook account, blocked you, or was restricted by Facebook. Facebook's help pages do not say what a man sees when a match disappears, so the exact reason cannot be known from your side. What you can do is learn the likely causes and decide what is worth your time.

She deleted her Dating profile

When someone deletes their Dating profile, Facebook removes the profile, her answers, her likes, her matches and her conversations. So everything tied to you and her goes at once.

This is the cleanest explanation for a match that vanishes with no warning. She does not need to have done anything about you. People delete the profile when they meet someone, when they get busy or when they are done with the app for a while.

She deleted her Facebook account

Deleting a Facebook account also deletes the Dating profile. The same things go: the answers, the likes, the matches and the chats.

This is easy to miss, since the person has not touched the Dating section at all. If you know her from Facebook and can no longer find her there either, this is likely the cause.

One of you blocked the other

Profiles you blocked on Facebook are automatically blocked in Dating. You can also block a match from the match's options.

Facebook's help pages do not say what you see if someone blocks you. So a profile that disappears fits a block, but it is not proof of one. Do not read too much into it.

Facebook restricted the account

Facebook may restrict accounts that go against its Terms of Service, its Community Standards or other policies. It may also require profile verification before someone can use Dating.

A restricted account can disappear from view. The help pages do not say how long a restriction lasts. Also, a location mismatch stops new connections until it is resolved, though existing matches can still talk. So a location mismatch alone would not remove a match you already had.

What other apps say, for comparison

Facebook's pages are thin on this, but other apps are clearer, and their reasons help you picture the possibilities.

Tinder says that if a match disappears they most likely ended the match or deleted their account. If someone who deleted their Tinder account returns, you may see them in Discovery again. Unmatching on Tinder is permanent and the other person is not notified.

Hinge lists unmatching, a deleted account or a Terms of Use removal as reasons a match disappears, and Hinge cannot restore a match. Bumble adds that an expired match disappears after 72 hours without a message.

These do not apply to Facebook Dating directly. They show the same short list of causes across apps: she left, she ended it, the match timed out or the app removed her.

What you cannot know

You cannot tell which of these happened. Facebook does not show you a reason, and guessing at one is a way to talk yourself into a story.

Do not try to work around it. Do not search for her on another account or ask mutual friends to find out. If a woman wanted to talk to you, you would know. A match that disappears has told you something, even if it is only that the conversation is over.

What to do next

Treat it as information and spend your time on conversations that are alive.

If you were mid-conversation, you have lost nothing you could have kept. a dating coach treats online dating as a numbers game, and in a numbers game one vanished match is a small loss. The sensible reaction is to look at the women who are answering you.

If you want to reduce how often it happens, the fix is on your side of the conversation. Move toward a plan early. Our advice is a short run of messages and then a specific suggestion for a time and a place. A match that has a date attached has less time to go cold than one that is still chatting. A short call also helps, because a voice makes a match harder to drop.

And if the person was important to you, the honest approach is a message through another channel only if you had that channel with her already. If not, let it go. The cost of one disappeared match is small, and the cost of chasing it is higher.