Is it correct to say; “this is the reason why I have trust issues”? Or can it be rephrased?

Yes, it is correct to say, “this is the reason why I have trust issues.” However, you can also rephrase it in different ways for variety or clarity. Here are a few alternatives: 1. “This is why I have trust issues.” 2. “This explains my trust issues.” 3. “This is the reason I struggle with trust.” 4. “This is the cause of my trust issues.” 5. “This leads to my trust issues.” Feel free to choose the one that fits your tone and context best!