The Bachelor alum Onyeka Ehie is sharing shocking allegations about her whirlwind relationship with her now-ex-fiancé, Martin Fredsgaard Andersen. "I made the grave mistake of [almost] marrying a professional, international criminal con artist," Onyeka, 31, claimed in a Friday, November 21, TikTok video. "Lesson No. 1: Don't be too trusting. Trust should be earned and not given out like free samples. It's OK to give someone the benefit of the doubt, but what you cannot do is give someone blind access to your resources, your life or your heart without them showing signs of consistency.