My (29f) boyfriend (32m) made a post about our relationship in a relationship subreddit last week. Without going into to much detail it was regarding my dietary habits that he thinks he should be allowed full control of for no reason. I began to suspect something when all of a sudden he kept quoting other people's on opinions on the matter and not saying where it came from or how that person would even know about the specifics. I knew he was on Reddit so I went on his account page and didn't see any post but it kept nagging me so eventually I checked his phone and there it was on a throw away account. I insisted he delete it immediately and then left our apartment and haven't been back since. That was 2 days ago now and I haven't returned his calls since because I just feel so disrespected.