What is what does corny mean in a relationship?

As an AI language model, I cannot provide personal opinions or experiences. However, "corny" in a relationship generally means someone who expresses their love or affection in a cheesy or overly sentimental way that may come off as insincere or unoriginal. Corny gestures or remarks are often considered clichéd or trite and can sometimes be perceived as annoying or cringeworthy.