ME, ME, ME!!! I, too, am an avid cocksucker and the orgasmic climax when the sperm surges into my mouth is the piece de resistance of the entire cocksucking experience. Like you I like to roll the sperm around in my mouth to savor the flavor like a connoisseur savoring the flavor of a fine wine. I, too, have noticed a difference in flavor from practically flavorless to slightly to moderately salty or slightly to moderately bitter or some combination. But it never tastes bad. And like you, I always swallow. ALWAYS! Of the thousands of loads I have taken in my mouth I swallowed every one.
There is an interesting back story about swallowing. I was twenty-three years old when I first took a man to climax. He was nineteen and even though he was four years younger, he was a LOT more experienced, having sucked guys off since he was sixteen. He knew it was my first time and when I took his load and swallowed it, he was blown away. "Damn!" he said, "I've been sucking guys off for three years and I still haven't swallowed and you do it on your first time."