Find it
Open a connection chat (Chats, then the person) and look at the lines you typed. Each one has a small arrow at its end. On a phone, press and hold the line instead.
Use it
1
Start picking
On a computer, hover over your line, open its arrow (
Message options) and choose Add answers to brain. On a phone, press and hold the line for about half a second.
2
Pick the answers
A round box appears by each line you can add, and your line is ticked. The bar says 
Each pick is the answer. The message before it is the question. Tick more lines if you like. Cancel backs out.
3
Choose who it's for
Open 
Add to brain at the bottom right and pick Exclusive (only available via DMs) or Public (visible in your Mind).
4
Check and add
A sheet called 
Add to your brain shows the question and your answer. Your brain may reword the question so it stands alone; See original shows what was asked. Tap any line to edit it, then Add to brain.
Good to know
- Only what you typed. Lines from the other person, and a brain’s replies, can’t be added in a connection chat. In a chat where you take over from your brain, your own lines count.
- Already added. A line in your brain says
Added to your brainunder it and can’t be picked again. - Undo. After you add, a message says
Added to your brain. Visible in your Mind.with anUndofor a few seconds. - Public or Exclusive. The difference is covered in Public and Exclusive.
- From Overview.
Write about iton a question your brain couldn’t answer opens the same sheet. See What people asked.