@Tellmetruth4
A lot of people seem to focus on the ‘precious years’ when your child ‘needs his mother’ as being 0-5. Personally from my own childhood experiences I feel as though the time I needed my parents around more was 12-18.
Prior to that life seemed quite simple, school was easier, friendships easier, life easier. When I became a teen, there was more pressure from everywhere, smoking, sex, body image, peer pressure, bullying and a lot of these weren’t
even my personal issues, it was worries about close friends and what to do as when you’re a teen everything is such a big issue.
I really needed my parents to be closer and to be alert to stuff to help guide me. However, they were more around when I was younger and worked more when I was older and I felt a bit vulnerable.
We’re trying to make it so we work full time whilst the kids are younger so we can pay mortgage off quickly then we will both reduce our hours when they become older.
I don’t want to sound dismissive but soft play and stuff is the easy stuff which can be done by various people. It doesn’t have to be you all the time. As long as your child had a happy day finger painting, they aren’t going to remember if it happened with you, Nan, childminder or the nursery key worker. They will remember the happiness which will set them up for a happier life. I think the ‘precious years’ stuff is more for the benefit of the parent. The kid will remember the stuff which happened when they were teens more so why risk your financial stability and potentially have to work more when they’re older in order to go to soft play which they won’t remember?
@allthemteeth late to this party but also a sahm with some advice.
Firstly, like all parenting decisions everyone will have an opinion and theirs is correct. Get used to it. And know that you will always be wrong... but once you accept that, you are liberated to do whatever you think best 
I’ve quoted the post above because it contains wisdom that may help you. It is true that your baby and toddler and even young child have many physical needs, but their emotional needs are simpler. Loving kindness is important but it doesn’t have to come from mum/dad.
Whereas navigating the older years is all about mental and emotional needs. Older children really need support to think through and talk through the dilemmas and challenges of growing up. And if you, as parents, don’t have the time to do this, they will turn to their peers. These are the years of exams, social media, introduction to drugs, sex, politics, career ambitions, so it is vital you are in the room when they set their moral compass.
So if you are thinking either/or I would recommend you go back to work next year and give it a go. (Also maybe take advantage of another maternity leave or two
- I’m so getting flamed for saying that!). If you hate it, try to find something part time. Also this will help you establish a longer career to return to at some point. If you can, try to get a promotion before you stop work.
But maybe (privately) plan to take a break when your DC transition to secondary school. This is what I did, accidentally due to a combination of redundancy, ill health, family issues.
I think also that it’s important for your DH to experience why you being a sahm works for you as a family. Once your DH experiences the reality of two working parents with important meetings, a sick child and a burst pipe, (or similar), they will appreciate the benefit of having one parent stay at home. My DH loves loves loves that he no longer has to negotiate with me about pick ups and drop offs, whose turn it is to stay off, who can travel on business each week, which holiday weeks we are taking off, how we cope with unexpected snow days, etc. Our family life is low stress and very happy now.
Things that make it work.
Money
I have control of all our money. I manage the bills and the house so I manage our savings, pensions, everything. In fact as a non-tax payer most of the investments are in my name alone. My husband never looks at what I spend, we respect each other and only discuss large purchases together. I would never be a sahm without control of the finances.
Personal time
I go out with friends. I have hobbies. These are part of the deal. eg if DH has to work on a hobby night, then I get a babysitter (well I did when they were younger).
Mutual respect
Including the kids knowing that I used to have a career and I’m on a break (just a long one).
I did have a really successful career and I never once imagined I would be a sahm . Motherhood changed me and I’m really glad I made this decision. I hope you feel able to do what’s best for you.