OK, let's look at this from a reverse (an example, not reality).
DP gets up at 5.30am, loads the dishwasher, cooks my packed lunch, feeds the cats, cleans the litter tray, takes a washload out of the machine and puts another in.
6.30am DP checks I'm awake and opens the curtains.
6.45am DP checks I'm still awake. Makes me a coffee. I get up, wash/makeup/pull the duvet up.
6.55am I sit and drink a coffee and faff around on my phone.
7.00am We leave the house.
4.30pm I get in, chuck some crunchies at the cats and sit down.
6.00pm DP gets in via the shops, makes dinner, deals with litter tray, pushes vacuum cleaner around, unloads washing machine, folds dry washing and takes it upstairs. Makes hot drinks, goes to the shop if something's been forgotten, then relaxes in front of laptops or TV for a couple of hours.
9.00pm I have a bath. Only have to rinse the bath down because he cleans it. He does all the cleaning. And washing. And cooking. And everything else unless I see something and decide to do it.
10.00pm I go to bed.
Add in gym visits 3-4 times a week and a few evening meetings/long days. Oh, and I earn almost double he does before overtime.
Should I get pissy at him because he's not bringing in the same as me or is it OK because he's designated house elf due to earning less?
By all means dump him because you don't like him. By all means dump him because you want a man who earns equal to or more than you and in your opinion, a man who earns less is a lower value person who should be serving you in your role as head of the household. But don't try and make it out to be anything other than you falling out of love with him/thinking you're worth more money.