It's by default that the spouses or partners are given this responsibility because there's nothing else available. Clinicians are not going to meet with them in a crisis. We'll meet with them two or three weeks, and sometimes a month, down the road, so by default it's partners and whoever else who can help them to manage the in-between times, and that gets lost.
The short answer to your question is that the entire family, as I said, needs to be case-managed right from the get-go to rule out consequences for them and the level of responsibilities they have.