I am a (23M) , my gf (22F) we have been together for 5 months, asked me whether or not i am upset with her I answered no, i was a little down this day nothing big, the next day she asked again and i told her no and i am glad you asked because i didn't want you to overthink whether or not i am upset from something you did, then she told me i feel like i am stressing you and she feels bad for me worrying about how she would feel, thats what happened briefly.
So this is an example and i feel always when there is an argument i tend to explain exactly my thoughts and feelings and i feel like i coud have ended that convo that felt a little stressful for both of us just by saying no i am really not upset at all
Tl;DR The question is, is there something such as over communicating or over explaining in unnecessary situations?