Grief Counseling help
You just need to do the /yea emote. It’s best to do it once she reaches the camp and starts her dialogue. Just keep spamming it.
If you turn the emotes on in your chat, you’ll often see a flood of other people “agreeing”.
Just /yes after the escort ends.
You don’t even have to participate in the event.
I just waited for her to ask her question. Once she’d asked it, I typed /yes, and I got the achievement.
The achieve text says to answer her question, so like Rose, I got it by typing /yes right after I saw the question in the chatbox. For good measure I had her targeted and then typed /yes @
(just to make sure).