My life is definitely much happier for having had children.
In my 20s I lived in London and had a great life. I had a busy social life, went to the theatre and cinema, museums and galleries, ate in fancy restaurants and bars. I travelled in Europe and long haul, lived in the USA for a while. I had a very well paid career which also included travel. I met my (now) DH who is the love of my life and we love doing things together and separately.
However I always wanted to be a mum. And DH wanted to be a dad. Despite having a very full life, there was something lacking.
Being a parent can be hard work and when they are little it takes you over completely. But for us it has all been worth it. The child raising years were the best years of our lives. I loved seeing them develop and grow.
We would definitely have been financially richer without DC, they are a very expensive ongoing hobby. But they have brought so much to our lives. They are young adults now and we get on well as a family. Even when cooped up together during Covid.
BUT both of our DC were relatively easy to raise. Bright, interested and kind. They've had their moments. I struggled with them fighting for a couple of years but that wasn't for long.
I'm not sure how I would have felt if my DC had been more difficult to raise. If they had had additional needs that I had to fight for support for constantly. Reading some of the struggles that some parents have in getting help for their children is heartbreaking. I'm sure that they love their DC as much as I love mine but life would be much harder. And you can't predict that.