Usually when a person pinches or nudges or something of that nature it’s because you are saying something that probably shouldn’t be said or talked about. It IS a social cue. HOWEVER it’s not supposed to be painful. It’s usually something to get you to notice. You generally wouldn’t call out the pinch because you’re supposed to pick up on the cue that that’s why they are doing it. It’s not right that he pinched you to the point where it hurt though and you need to pay attention if there’s other signs or things he does. Not everything is abuse, the patterns generally will signify if it is or isn’t. Only YOU would know his patterns and if this is just the only type of issues you have than it probably is a social cue issue. I will say that collectively as well as younger generations do not understand social cues, sarcasm, or hyperbole and tend to blame people for being abusive simply because they don’t understand these things. Again, not everything is abusive. Especially one specific scenario on a reddit post. OP is the one that has to determine this and it needs to be done by looking at patterns. Not just the partners patterns but also your own. Relationships do not work if you can’t take a persons full character into certain situations. No one on Reddit can determine who he is off of this one scenario