This is part one of a two-part story. I hope this will turn into a series. These are based on true events, with some changes, and a few embellishments. Constructive comments are welcome.
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My wife, Laci, and I have an understanding.

She’s insatiable when it comes to sex. If she doesn’t have at least one orgasm each day, it’s disappointing to her.

I’m not saying she fucks anything that moves. Sometimes it could mean she plays with herself in the shower until she cums, or she watches some porn while fucking herself with her dildo. But most days, she figures out a way to cum. I’m the lucky one who gets to participate most of the time.

Of course, I like it when I’m part of the action – although in this story, I was only participating by phone.

We have a fantastic sex life. We’re both in our 50s, but I would have to say we act a lot younger. We only got back together a few years ago, having been separated for a very long time.

Laci and I first met when we were teenagers, working at the same restaurant, and we fell in love. We dated exclusively for two years, and our relationship burned brightly during that time.

I was Laci’s first lover. My name is Karl.

But it didn’t last – the product of jealousies, insecurity, and just being too young. Both went our separate ways, eventually got married, and had kids. We only got back together after our marriages ended.

And now we’re enjoying each other immensely.

The vast majority of our lovemaking involves just the two of us, but we like a little spice, too. Occasionally, we have invited others to our bed. It’s mostly been other couples, but sometimes a single man or woman.

This story is all about how that got started.

Laci is bi. I’ve known that for a long time.

She loves cock – don’t get me wrong. She’s always been the kind of girl who could be sitting on a park bench, and when a nice looking guy walks by, her legs will usually — involuntarily — open up a little. It’s not really noticeable unless you’re looking for it. But it really points out how much she loves fucking. I love that.

I have known about Laci’s proclivity for sex with other women ever since that night who-knows-how-many-years-ago when I slipped my middle finger inside her dripping pussy, then began to bring it to my mouth. She was 16. I was nearly 18.

She took my finger in her own mouth instead, and sucked her own juice off it. Her eyes rolled back in her head, just as mine always have. I had the inkling that she could potentially be bisexual, but never acted on it back then.

In fact, we didn’t get into sex with other people while we were dating as teens. Jealousy and possessiveness prevented it. But when we got back together a few years ago, it became a subject of conversation.

We agreed, from the start, not to play games and to be as open as possible with each other. Now, pretty much anything can at least be discussed, but before we act on it, it has to be “approved” by both of us. We both have full veto power, in other words.

So I admitted that I would love to see a nice big cock, belonging to a handsome guy, in her mouth or pussy. She admitted to wanting my cock dripping with another woman’s cunt juice.

She went so far to say she wanted to lick another woman’s clit while I fucked her. That didn’t surprise me.

As much as I am all for equality, however, I have not been able to bring myself to Laci’s level of “bi-ness.” I know she’d like to see me going down on a guy, but I am just not ready for that.

However, I told her I’d spread her pussy lips for another guy’s big cock, and would enjoy sucking her sloppy cunt after he has cum inside her. She likes that idea.

I’m just not sure about putting my mouth on a cock. I know that sounds strange, given my other desires, but hey, that’s just me. I’ve learned to never say never, so maybe someday … depending on how persuasive she is.

Laci, however, came right out and said she wanted to explore everything, and I was only too willing. Still am.

This story, as I mentioned earlier, involved me on the phone while my wife had sex.

Twice.

The first time, I was at home.

Laci had recently found a new friend after carefully choosing her first female lover.