How to Make BFFs (Brand Fans Forever)

What marketer wouldn't want loyalty, in the form of Brand Fans Forever?

Ford "Warriors in Pink" promo

To make BFFs, your brand must be:

1. Liked. Not cute, not cuddly, but likable. Apple is liked. It has a "good guy" image. Southwest Airlines is liked. Walmart wants to be liked and is working hard on this element...part of brand management 101.
2. Respected. Nobody wants to be BFF with a sleazy outfit. Your brand must act responsibly, treat stakeholders with courtesy, and deliver on its promises. Ford is respected because it's steadily going green, living within its financial means, and working hard to deliver vehicles that drivers want and need.
3. Trustworthy. Brands that do the right thing will earn the trust of their customers, suppliers, and distributors. If you can't trust a brand, you might buy it occasionally, but you won't be its BFF. Facebook is at a key juncture now, with some loyal users angry at its privacy missteps. If users come to believe that FB can't be trusted with their personal data and messages, Google+ may be the big social media winner.
4. Relevant. Even the most loyal BFF may need a change to remain relevant and valued as needs/markets/technologies change. Your brand should be flexible enough to change with the times yet deliver value without losing its likability, respectability, or trustworthiness. Maybe you need a new package or flavor or line extension, whatever value update will keep your brand relevant to its existing BFFs and attract new BFFs. Frito-Lay does this by adding new flavors, making snacks healthier, and changing packaging to look current.

What else should marketers do to make BFFs?