From the article in La Presse (translated from the original):
Psychedelic substance could dissolve insecurity and resentment among lovers in crisis. A Toronto researcher is about to test the effectiveness of this unusual form of couple therapy on 60 people. While in Quebec, psychologists are learning how to supervise their clients who are eager to try the formula for themselves.
Dr. Joe offers his comments.
https://www.lapresse.ca/societe/2023-07-09/mdma/un-elixir-d-amour-comme-therapie-de-couple.php