To sum up the back story my boyfriend and I got together in January 2019, we were happy together until about a year in and he couldn't decide if he wanted to move in or not, he said he was happy but just didn't know. I give him time to think, 2 months and when he still didn't have answer, I broke up with him. We didn't speak for a couple of months at which point coronavirus happened and I decided to text to check he was ok, we ended up talking again and by May we met up for a walk. We stayed in conversation and ended up seeing each other again. By August the topic of moving in together came up again and he was ready, we have been happily living together since September.
I knew all along he was occasionally texting his ex, he was always quite open about their situation and break up. But I found out since that they text more often than I thought I also found out she doesn't know about me. I told him I was unhappy about this and he has agreed to tell her but wants to do so verbally rather than announcing it via text. I was fine with that but being myself I just wanted to check so I looked through his phone... The huge majority of their texts are just everyday stuff about work, nothing deep. But I found a conversation from mid July that has deeply unsettled me.
Basically he was at home in Spain for a bit, when this exchange took place, it basically involves him asking what she wants, if she wants him to wait for him and to consider his feelings. That her indecision was hurting him and that it broke his heart and soul seeing her and not being able to kiss her and knowing he will never have a child with her. So yeah... I was furious and hurt and disgusted.
But my problem is since that text we had the conversation about our relationship and decided to move in together. We have also had the conversation about her and him telling her about us which I know he has tried to do but she said was too busy to talk to him. He has told me how happy he is being with me and I am his priority but knowing he had this conversation with her has hurt me. I know we were still figuring our relationship out but still to say that to another woman after being with me for a year?
Now I don't know what to do, as I feel like I can't bring it up without telling him I went through his phone! I feel like our relationship is in a different place now and I know he intends to tell her about me. He has told me he is 100% in with me and we talk about our future and kids, but I can't unknow that he said this to her and what we may be if she said she did want him.
What should I do?