Little girl being off with my daughter

So there's another mum i always chat with and our daughters have always got on (4 years old)
But the past week at drop off the other little girl has been abit off with my daughter, my daughter will run over all happy to see her and the other girl has just given her a moody look and ran off!
My daughter is very she and other os very loud so it doesn't really make sense.
Im not sure what to do as my little girl looked sad this morning

in our community

Child Sexual abuse *trigger warning

So my one fucking fear came true! I feel sooo mad at myself and mad at the situation and gutted in general.
We had another family over to our house (we never host people but weve known them along time and they had visited us once on vacation and the boys played well in the pool).
My son is 4 and the boy is *update*15 turning 16 . I found out in 10 minutes that they were in a playroom together before i realized and his sister went downstairs to check on them. I have a camera outside the room and saw them come out adjusting their pants. It looked suspicious but ive been told i am paranoid about this stuff so kept it at theback of my mind. I noticed my son toucing his penis more that evening. I went to bed and couldnt stop thinking about it. Today we noticed him retract his penis and my husband said what you doing (not something he normally does) etc we asked a few questions and he said the boys name touched it and he licked the boys penis. I am dying inside!! I have feared this happening. Ive had conversations about no one touching your body and private parts etc but I knew he didnt fully grasp and also in a situation with a friend feels alot different 🤦‍♀️🤦‍♀️ i donno what I want out of this post other than that I am beside myself. We’ve called the family and they are going to call back they were very sorry and shocked too. I am sooo mad I let this happen. I put my son in the hands of someone to take advantage in our own house 😩 now I am like this opens so many doors for future abuse and for him to even be an abuser without even fully grasping it. It feels fucking so gut wrenching. I am a fully time mom. My sons never been watched by a grandma, relative, daycare etc. ive been so ontop of things i thought and I still failed!! In 10 minutes 😩

Things to do mat leave

I have 2 weeks of mat leave left and I feel like I’m wasting my time by just mooching round the shops. What things have you done that I can try? I live in north west just out of Liverpool. I do a lot at the weekends when my husbands home, but not much on my own. Spam me with ideas! Weather not great, so walks etc not ideal.

All I ask for is 5 mins to go to the washroom in peace

I don't want the door to be opened by my 3 yo asking where xyz dino or cars are
I don't want my baby crying because I left the room
I don't want the dog scratching at the door because I closed the door
I don't want my husband calling me on the phone because one of the kids is crying

Is it bad if I mostly stay at home?

I spend most of my time at home with my toddler because there is endless cleaning/cooking to do and I am genuinely drained with the mental load of running the household. I aim to go out every other day for a small picnic or at the very least a walk, but mostly on weekends for everyone to socialize since my partner is there to help and we are able to have family time. I do not have any external help so even if i am sick its just me having to push through. My husband does not understand. He often compares his work to mine and says I am lucky I get to be home. I think he does not realize how much I do. No child comes with a manual, so what are we doing?

When did you start introducing a Potty?

When did you potty train your little ones?

My little boy has been in a rush to do everything from he arrived in this world and he's very nearly found his feet at 10 months. He is getting quite predictable as to when he'll poop and it's quite obvious when he's trying, so I have been debating buying a potty and starting to just set him on it at those times to get him used to the idea. Just to clarify I'm not expecting him to be fully potty trained at this point, I just thought it might be good to start introducing even for number 2's but curious to hear what ages you all started or any tips?

How many times do you have to ask your partner to do something before they actually do it?

Routine tasks that have already been agreed as their responsibility. Things like taking the bins out, changing nappies, walking the dog, cleaning up after themselves etc. Not one-off favours, just everyday things they already know need doing. Do you still have to remind your partner, and if so, how many times before it actually gets done?