Like the old saying goes: "Familiarity breeds contempt."
If you are happy, your less happy friends, family, acquaintances will take pot shots to your face and behind your back. I've never understood why anyone would be jealous of me, but that is what it is when all is said and done. Some people like all the praise and if you shine and take any of the spotlight whatsoever they actually despise you.
If they are "Christian" friends, then I would say they very well may be wolves in sheep's clothing. Or they have not worked through their issues appropriately. We are all a work in progress.
It helps to develop resiliency. God loves you. God forgives you your trespasses. Freely we receive, freely give.
But when relationships are or become toxic, best to walk away quickly and surely. Just don't be available for the abuse. Have better things to be doing and be on your way to go do them right when the toxic person shows up. (Feed the ducks at the local pond if nothing else!)
Get it? "Ducks!"
If you didn't get my attempt at humor, I will understand. I amuse myself easily.
As an afterthought, I believe some people may be jealous of our assurance in times of difficulty that God has it all under control and is working it all to the good for us.... I have an acquaintance who says "And how is that working for you?" This acquaintance is one who wants to be worshipped in respect to how much this person personally "does" for everyone in their life, and does not believe in God. But even among believers, this phenomenon can exist if you have more assurance and trust in God during your struggles than they have during their own struggles and difficulties.
New International Version (©1984)
After this I looked, and there before me was a door standing open in heaven. And the voice I had first heard speaking to me like a trumpet said, "Come up here, and I will show you what must take place after this."