Angry eyes in the vulnerable are a sign of stress that should never have come their way. In a healthy society stress goes up, not down, the social strata. Once it is drawn out, they can express sadness and recover, perhaps in time become strong enough to be a protector and rise to trusted positions reserved for psychologically mature protectors.
Angry eyes tell me his brain is in a different mode, that he has switched gears from empathy to cold emotional indifference. Never once has he directed this mode in my direction, yet it emerges when he senses a threat, and so this is part of full on protective mode. His softer self has taken a backseat and the hero has the wheel.
The soul translation of angry eyes is "I have activated my emotional indifference. I could kill and not care one bit. So back off." Thus one needs to have great self control in how, when and to whom it is deployed. For such stares are a deliberate removal of the sense of safety, a warning as clear as a drawn sword.
Those angry eyes are your pain untold, and I wish you would tell it, I do. I would be yours in any storm, but there's one thing baby... you have to keep me safe from them. You have to let me all the way in so that you always trust me and I only ever see your kind eyes, the ones that are my home. Because I want to stay with you, but you have to be good for me too.
These angry eyes are my shield and sword, they are the gathering of clouds for a rainfall you'll never witness. Maybe one day I'll let you see that torrent, the release that feels like a downfall. But first I'd have to let you in and I've been too haunted too open up. Just believe me when I say that it's a sign of pain long-held rather than because you forgot to make the bed or pick up the groceries. Sometimes I'm frozen inside, that's all.