Am I crazy? Is it coming off the pill??

My husband and I just had our biggest fight of our (fairly new) marriage. He just told me that he’s planning to take a “bachelor party canoe trip” with one of his best friends, over his birthday weekend. Meanwhile, I reminded him 6 months ago to hold his birthday weekend open for us to celebrate together, it’s his first birthday as “man and wife,” AND it’s the weekend I’m officially moving into his house. I am devastated and feel like he’s choosing his friends over me or that he doesn’t consider my plans as “important.” He, on the other hand, thinks I’m being crazy and hyper sensitive because I just got off the pill, and we’ve read that PMS can hit hard directly after coming off (and yes, it’s the time of the month). So I’m looking for some perspective, am I crazy or justified in my anger? Is this symptomatic of coming off the pill? If so, will it get better??