My boyfriend is upset with me because I'm not paying my share of our rent.
Why aren't you paying your share of the rent?
I haven't been making enough money at work to make the rent payments.
I know you don't have much money right now but you shouldn't expect your boyfriend to cover your share of the rent. You need to find a way to make more money for your part of the rent. You can't expect him to pay for everything just because he's your boyfriend.
My boyfriend makes plenty of money. He should pay the whole thing anyway.
If you and your boyfriend have an agreement to share the rent, then don't you think you have an obligation to pay your part? If you are going through a tough time right now, talk to your boyfriend about it. He'll probably be willing to help out until your work starts going better and then you can repay him.