More thorough guidance on that point:
- You can collaborate on your own answers with other people, including more or less just posting on their behalf.
- Please do make it clear you're speaking on behalf of a psychologist and D&D player. That's an awesome credible source.
- It would be good to make it clear where you're speaking on their behalf, and where you're speaking for yourself. (This might just mean "this whole answer is hers. Here's some further notes by me.) It's up to you whether you want to quote her translated, or just write it as normal prose without a quote block. It's fine if…