She gave some grumpy Klingon bruiser the engineers job.
He vanished from engineering for years (so we can assume she shipped him of to deck 15 to scrub some conduit or another).
When Carey was beamed aboard after being killed by Verin, she didn't bother to say... "Hey Seven, remember when Neelix was dead for eighteen hours but your magic nano-bots brought him back, well how about we do the same thing for Carey?"
Then finally, the greatest slight of all. She travelled back in time to save the people she loved... but chose to arrive in the past just after Carey's death
He vanished from engineering for years (so we can assume she shipped him of to deck 15 to scrub some conduit or another).
When Carey was beamed aboard after being killed by Verin, she didn't bother to say... "Hey Seven, remember when Neelix was dead for eighteen hours but your magic nano-bots brought him back, well how about we do the same thing for Carey?"
Then finally, the greatest slight of all. She travelled back in time to save the people she loved... but chose to arrive in the past just after Carey's death