Ugh, that sounds awful MsEmotional. Women react so differently to hormonal birth control. I have had more than one friend have terrible time with implants. But other people - they work great for them.
Many of my friends who cannot tolerate hormonal birth control have had good experiences with a non-hormonal IUD. Perhaps this would work for you?
He's so fucking logical! ... I think I see stress as an indicator of healthy realism -- and so in the absence of stress I assume he isn't being realistic. But maybe he is just realistic in a more chill way than I am.
Am I doomed to always feel weird and uncomfortable with the idea of my partners seeking other partners?