With a hefty 6.8% yield, Enterprise Products Partners is an energy option that even conservative investors can love.Most dividend investors seek a high yield backed by a sustainable dividend. After all, if the dividend can't be maintained, the income stream is just a temporary illusion that will disappear when the dividend is cut.This is why dividend investors will love Enterprise Products Partners (EPD +0.16%), which could set you up for a lifetime of reliable income. Here's what you need to know.Enterpris ...