Jean
You do not need to apologize. It caused similar problems for my timeline's Jean.
The Phoenix Force is not a bad thing in itself. It is a cosmic force of life. Back home it may have saved mutantkind. But it is strenuous to wield and a tempting mark for those who seek to take its power from its host.
If you possess it currently, you should speak to Rachel and the elder Charles about containing it, but mention it to no one outside the X-men.