Should your boyfriend charge you for an oil change?

My boyfriend knows that my car just went down on me so I’ve been using my mom’s car. He can do oil changes so I asked him to do an oil change on her. He did and at the end was talking about the cost. I decided to ask, “did you want me to pay?” And he said “well I thought your mom was paying”. It was $70 and I sent it over to him. What’s the point of having a boyfriend who can do oil changes if you’re still getting charged?

Should your boyfriend charge you for an oil change?
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