I personally don't understand the consensus that mothers can't leave their child/won't be ready etc. You will hear a lot of martyrs on here OP about "I didn't leave my baby overnight until they were 3, 7, 18" etc. It's exhausting.
I'm on a mum whatsapp group where a mum didn't want to leave her 2.5 year old with her DH to go for a birthday dinner (so latest home, maybe 11pm?), and there was big support about "well you're never going to remember a random dinner, but when you look back, you will remember you were there for your baby day in, day out". I just thought, by the time that kid is older and she feels ready to leave them, she would have probably lost a bunch of her friends. I'd stop inviting someone out if in 2.5 years they always said no. It also begs the question of how useful/useless is DH.
As for me, I ebf for 6 months.
I left my 4 month old for 3 days, 2 nights for a long weekend hen party and DH looked after him the whole time.
A few months later, we left DS again, now 8 months with grandparents to go to a destination wedding in Spain with DH. I had a bloody good time, drank, stayed late, enjoyed myself. And baby was totally fine when I got back. It was actually DH that kept bringing up DS in conversation, asking my parents to send pics etc, I was totally checked out and loving it.
A few months later, we left DS (now 17 months) with GPs again for 2 weeks whilst we went to Asia on a holiday of a lifetime. Again, totally fine.
There are more holidays booked for 2023, and I can't wait.
We have made it a rule that once a month DS stays overnight at GPs so that we have our own date night time, he's now a happy, confident 2 year old.
Everyone's different, but I have and use the support system I have, including DH.