Guys/gals what are your thoughts?

Went through a rough patch with my boyfriend about 2 months back - found out he was talking to another girl on an intimate level. I ended it immediately after and we decided to give it another go due to us having a kid together. Long story short we haven’t been together for that long and he recently told me he loved me. However I’ve been having a bad gut feeling like someone else may be Involved and I just haven’t caught him yet. Would also like to mention that he has spent weeks and weeks at my house (overnight) and has never once asked me to stay with him. Doesn’t seem normal but I could be overreacting... any thoughts? Should I confront him about anything?
Guys/gals what are your thoughts?
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