.... their laziness, cruelty, or dishonesty.
Realizing this was about your students, and not the actual question, I will not dwell here, but these are students who need to be weeded out, and who need to know why, with well documented examples. I don't think these qualities can be coached or taught out of them--these are personality attributes that will not serve them well no matter where they land in the world, but I sure can't think of a single person who would deserve a nurse like this!
About kids, mine are 21 and 29. My daughter, the younger one, lived most of the time with her dad. She and I had a lot of mother-daughter conflict, and she (and therefore I) went through a lot of hard knocks learning how to make her way to where she wanted to go. (I'm a bit of an independent too, so I suspect this is a lot of where we clashed.) Now we are thick as thieves, happy soooo happy to be mother and daughter! She is a thoughtful serious student who cares about the feelings and needs of those around her, is a warm and caring partner to her SO (I already think of him as my son-in-law--she chose VERY well), and, when the time comes, will be a terrific mother and nurse (or policeman or EMT or whatever!).
My son got more of my time and attention, because he was older when his dad and I split up (dad and I were sharing parents--functional joint custody), and he definitely had more "responsibility for his actions" type parenting. As a result, he paid a couple of power bills when he was a teenager ("if I have to turn your light off after you leave the house one more time, the monthly bill is yours!"), repaired lots of damaged walls the right way, knows how to care for a garden, takes pride in his own and the appearance of his home, can do his own clothes and can manage admirably in the kitchen. He also can be firm where he needs to be, and tenderly masculine where that's what's called for. He is a terrific husband, loving daddy, responsible law enforcement officer and, now, hard working active duty Army (national guard) in the Middle East.
Both my kids got a lot of cheering on and kudos from me, and hugs and kisses as well. They've turned into the kind of people I'm proud to have given to the world.
Personally, I think there's a correlation, maybe even causality.