Article continues below advertisementBrian Austin Green is opening up about a past relationship that left him feeling unsure of where he stood.On the Wednesday, January 14, episode of Deon Cole's "Funny Knowing You" podcast, the actor revealed that Tichina Arnold pushed him to keep their romance under wraps when they dated years ago. The two crossed paths while Green was starring on Beverly Hills, 90210, and Arnold was leading the cast of Martin.