This is no big flash to most of you, I’m sure … but Facebook can be a pain in the backside.

Here’s what I mean.

I have a longtime friend who recently “unfriended” me from Facebook. I noticed his absence, so I asked him: Was it something I said?

No, not all, he responded. The issue, he said, was with some of my Facebook “friends.”

You see, my friend — and he’s a real friend, not a Facebook “friend” — and I have differing political slants. I tilt left, he tilts right. I distribute this blog through several social media outlets; Facebook is one of them.

My friend — who I’ve known for more than 20 years — occasionally would respond to my essays with a negative comment. I’m all wet, he would say. I don’t know what I’m talking about, he would declare. He’d lecture me on occasion about where I’m wrong and how he knows better.

That’s all well and good. Then some of my other friends and “friends” would challenge my pal. He’d respond to them. They’d fire back. He’d return another volley.

Back and forth they would go.

Finally, my friend said, he’d had enough. He said his inability to refrain from responding to the critics made him feel “like a crackhead.” He became addicted to the need to answer them all.

So, he quit cold turkey.

I have no answer for that.

Occasionally, I engage in exchanges with individuals who read this blog regularly. I appreciate their interest and I appreciate their passion in speaking out on issues that push their hot button.

However, some of ’em do get a little too personal for my taste — particularly when they go after each other. It doesn’t bother my sensibilities if they aim their fire at my direction. I’ve been taken down by the best. After spending most of my nearly 37 years in daily journalism writing opinions, well, you kind of get used to it.

It does make me feel badly, though, for my friends — namely my actual friends — who get run off by what they perceive to be rude behavior.