After five years of holding, I'm way behind where I thought I'd be.In June 2020, I happily invested in one of my favorite consumer brands: Coffee giant Starbucks (SBUX -0.36%). But after it's underperformed the returns from the S&P 500 by a wide margin over these five years, it's high time I reconsidered its role in my portfolio.I believed that Starbucks stock would provide my portfolio with a blend of growth and income. For growth, I was quite optimistic that the company's business in China would quickly r ...