Not sure what to do

[Scarlettmist]

I've been married 16 years and have 7 wonderful kids, but I've not been happy with my marriage for the last 7 years I've told him how I've felt many times I just don't love him anymore, I've had him leave several times but just get bombarded with texts, calls, stalks the house but the worst thing is he then proceeds to message the kids and tells them he's going to commit suicide or he won't see them unless I get back with him or tells them I'm sleeping around so I'm emotionally blackmailed into taking him back. I asked him to leave around a couple of months ago and he did for 6 weeks but made my life hell and turned the kids against me to the point I wanted to take my own life, he's not nasty when he's here but we are just poler opposites he's so needy and clingy never wants to do anything or go anywhere (yes I've talked to him about this) if I go out it's constant texts and calls it drives me crazy. I've tried to change how I feel and I just can't. I just want out of this marriage but the only way that's going to happen is if I leave but I know he won't let me see the kids again I'm just sick of making sure everyone else is happy and putting my happiness to the side I just feel so lonely and trapped and can't see a way out of this.

He's abusive to your children and you, and harasses you all mercilessly once you manage to prise him out of the family home.

Send him away, get the police involved once he starts his bombardments. If he threatens suicide, send the police round. If the kids are young enough, block him on their phones. If they are older, you need to have full discussions with them and still potentially block him.
Get rid of him, because whatever he does while away, it's not going to be as bad as having this toe-rot man in your lives forever.

It's unfortunate that you're going to have to do this so early in their lives, but you need to know them gently that manipulative individuals may co-opt their lives.