I've had this happen many times, but let me use the most recent time as an example. I asked my partner to cuddle with before I took a nap and they agreed and went to bed with me. They didn't say anything or try to leave, but didn't seem too interested in cuddling because they scrolled on their phone while letting me cuddle them. They said later it was because they weren't tired then and needed something else to focus on. That's completely valid, but I got in my head thinking I was "forcing" them to do something they didn't want to. After a few minutes I got out of bed and said I was just gonna get up. They got annoyed and asked what happened and what they did wrong. I said it seemed like they were mad and I started crying because I thought I was a bad person and partner to make them feel that way. I was very upset at MYSELF not at them at all which happens if I even THINK I made someone else feel bad somehow. They don't have to say they're upset I observe body language and come to a conclusion on my own. They weren't mad I asked them to cuddle. They got annoyed at my overreaction seemingly out of nowhere.