I feel your pain OP. My DD is 7 weeks tomorrow and I always feel I'm not achieving enough during the day. And mind I'm the kind of person that can get a huge amount done in 5 minutes!
My dd has had a tongue tie so that combined with growth spurts literally keeps me sat in front of me tv all day trickle feeding her as she's too tired to feed properly but not full/tired enough to go in her basket. Plus the whole point of her constant feeding dirkng growth spurt is to up my milk supply so just have to accept it.
I only get dressed if I leave the house
DD spends most of the day in her nappy and only has clothes on if we leave the house
In fact I'm mainly topless as either feeding or airing out my nipples 😂
My DP does all cooking and gets me a weeks worth of ready meals every weekend.
I've found my sling the most amazing thing ever as if DD won't go down, I put her in that and we go for a good long walk so I get a 'break' that way. Or a drive in the car works well too.
Showering is normally done after early morning feed if she goes to sleep in her basket...if she doesn't I wait until she's in a smiley happy place, stick her in her basket with her slumber buddy playing some tunes and jump in shower for 4 minutes. She hasn't even noticed by the time I'm out and I don't panic as the worse she can do is cry and she's totally safe in her basket.
Showering daily helps, makes you feel human.
Going for walks helps as gets you out of house
The sling is singly the best bit of kit I bought!!
You're doing great...don't feel bad about having a good cry now and then...I cry daily and it makes me feel better.
The pampers advert got me yesterday, made me realise how lucky I am to have a healthy baby and puts the growth spurts into perspective a bit