Guy's Behavior

Was this wrong of my boyfriend to do?

So I’m moving out of my house and I had a box full of stuff to leave outside for people to take. My boyfriend was helping me pack and move everything outside and I even gave his some stuff I didn’t want anymore which he accepted. Later that night I saw he had one of my mini desk decorations in his hoodie and showed it to me which I never realized he took. When I asked him when he took that and where he grabbed it from he replied it was from the box I left outside for people to grab. I don't know why I was kind of upset that he didn’t tell me first. I also thought (which might be just severely overthinking at this point) what if that was in another box which wasn’t the one I left outside and lied about where he grabbed it from? Did he steal? My sister and best friend said no, and that also they don’t think he would do that. Also the fact that he showed it to me let me know that he didn’t have any intentions to hide it. Also it was a decoration which indeed was the box I left outside. The other boxes I didn’t leave were art supplies and shoes, which the item he had was neither if those. Am I overthinking? Was this wrong of him to do? He also apologized and said he should’ve told me he was grabbing that.

Was this wrong of my boyfriend to do?
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