should I go apologize ...

My boyfriend , which is my child father, we are not married , but he makes a 1,000 a week he claims , and at the end of the week he acts like he has no money left to put food in the fridge and acts cheap on things ... you would wonder where his money goes . He told me he wasn't worried about me having a job so I moved in with him . Long story short I was borrowing money from my mom buying groceries for the house . He said he was behind on a car and car insurance and he does have free checks sometimes . Well to say he's always without .. his ex girlfriend friend ask him to buy her lunch , he said he told her no . The next day I thought that's where he was headed so we got into it , he dropped me home after making groceries and left , he went pay a loan off which he said was none of my business . Is that true ? I overreacted over a loan which was none of my business but yet I have to force him to put groceries in the house , and I don't know where the money goes ?