A viral self-help vlogger says “simple psychology” can help you to understand what it really means to be a Golden Retriever boyfriend or a Black Cat girlfriend. The Golden Retriever boyfriend theory is doing the rounds on TikTok again, as well as the idea that women often play the Black Cat role in a relationship. While these terms may not mean much to you right now, a viral relationship coach claims that a lot can be learned from these romantic stereotypes. Golden Retriever boyfriends and Black Cat girlfriends explainedFor the uninitiated, the notion of the Golden Retriever boyfriend is one o…