From my perspective, you’re doing great.
You do that to HELP HIS SISTER. He should be grateful you are ready to work extra, tiring shift for his family. Instead of scolding you because he didn’t have his morning BJ
Marital duty mean partners have to try to have an healthy sexual relationship. It doesn’t mean he’s entitled to use your body whenever he wants (and inversely). If you’re not in the mood, especially for this kind of reason, he has no right to criticize you.
« When it is unreasonable to refuse sex ». Whenever you want, as long as you want. If it’s too often, it would be good to talk about the problem and a potential solution. If the problem is you are physically and mentally drained by extra shift to help family, there is no solution, so better be patient
Létal injection work well in theory
The problem is, skilled people don’t want to do it. And pharmaceutical companies don’t want their products used in it. So it’s done by unskilled people with a reduced access to products.