My boyfriend keeps making “jokes” about me cheating on him or asking if I want to break up. Is he trying to tell me something?

I've been in a relationship with my boyfriend for a while, and recently, he's started making these offhand "jokes" about me cheating on him or asking if I want to break up. It's starting to bother me because I don't know if he's trying to hint at something deeper. I recently started a new high-paying job in finance, and I feel like he might be upset or insecure about the changes in my life. I’ve tried brushing off his comments, but they’re becoming more frequent, and I’m worried he’s feeling neglected or threatened by my new career. I love him and want our relationship to work, but I don't know how to address these comments without causing a bigger issue. Is he trying to tell me something, or am I overthinking this? Any advice would be helpful.

My boyfriend keeps making “jokes” about me cheating on him or asking if I want to break up. Is he trying to tell me something?
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