Desperate for advice/tips/help

Im 8 months postpartum from my 3 baby. I’m now 17.6 stone and so unbelievably concerned. I’m not sure how I’ve managed to become this big as I don’t eat much and I’m running around after 3 kids all day but here I am.

Every thing I’ve tried isn’t helping me loose weight, if anything I’ve gained. It’s becoming so mentally exhausting as I’m getting to the point of not wanting to even leave the house.

I’d be so appreciative if anyone can help or support. I’d love to hear how all of you that have managed to get healthy have managed it.

Thank you in advance.