Dear Bess,

My best friend’s husband is having an affair. I saw them kissing as they came out of a restaurant. I know this news would kill my best friend. Do I tell her?

Signed, Carrying It Alone

Carrying It Alone, I’m so sorry. Of all the things we sign up for in a long friendship, this is one nobody imagines, and I can hear how heavy it’s sitting with you. You didn’t go looking for this. You were simply in the wrong place at the wrong time, and now you’re holding something that isn’t yours to hold, but that you can’t put down either.

So let me be honest with you about what I think, and then let me give you some ways to think it through for yourself, because in the end, you know your friend far better than I do.

Start with what you actually saw.

Before anything else, be very clear in your own mind about what you witnessed, and only that. A kiss outside a restaurant is serious, and I’m not going to pretend otherwise. But a kiss is what you saw. “An affair” is the story your mind has, quite understandably, built around it. If you do speak up, the facts are your firmest ground: where you were, when, and what you saw. Nothing more, and no guessing about how long it’s been going on or what it means.

Now, the big question: do you tell her?

My honest view is that, in most cases, yes, you should. Here’s why.

When people are asked whether they’d want a close friend to tell them about a partner’s infidelity, the large majority say they would. What tends to hurt most, when the truth eventually comes out, and it very often does, is finding out that the people closest to you knew and said nothing. Many people describe that feeling, of being the last to know, as a second betrayal on top of the first.

You also say this would “kill” her. I understand the instinct to protect her from that pain. But staying silent doesn’t protect her from the affair itself. It just keeps her from making decisions about her own life, her finances, her health and her future, with the full picture in front of her. She deserves to make those choices for herself.

But there are some genuine reasons for caution.

There are situations where I’d pause before speaking. If you have any real doubt about what you saw, if your friend is in a genuinely fragile place right now, or if there’s any chance her husband could react in a way that puts her at risk, those things matter, and it may be worth getting advice before you act.

It’s also worth asking yourself, honestly, whether your friend has ever given you any hint of how she’d want something like this handled. Some people have said, over the years, “I’d want to know.” Others have said the opposite. If she’s ever told you where she stands, that’s worth respecting.

If you do tell her, here’s how I’d go about it.

Do it in person, somewhere private, with time to spare. Not by text, not in a rushed phone call, and not when she’s about to walk into work.

Stick to exactly what you saw. Resist the urge to add detail, interpretation or advice. “I need to tell you something I saw, and it’s been really hard for me to know whether to say anything” is a gentle way in.

Don’t tell her what she should do next. That’s her decision, and she may need time before she’s ready to make it.

Be ready for any reaction, including anger directed at you. People sometimes shoot the messenger, especially in the first shock of it. She may also already know, or suspect. Let her lead.

I’d also gently steer you away from confronting the husband first. It can feel like the kinder route, but it often gives him the chance to shape the story before she ever hears it, and it puts you in the middle of their marriage in a way that rarely ends well for anyone.

One last thing, Carrying It Alone.

Whatever you decide, do it out of love for her, not out of a need to be rid of the burden. If you speak up, be there afterwards, for the long haul. If she’s angry with you at first, give her time. A friendship that’s lasted long enough for her to be your best friend is usually strong enough to survive the truth. What’s much harder to survive is her finding out, months from now, that you knew all along.

Have a question for Bess? Write to her at community@startsat60.com with “Dear Bess” in the subject line.

IMPORTANT LEGAL INFO This article is of a general nature and FYI only, because it doesn’t take into account your personal health requirements or existing medical conditions. That means it’s not personalised health advice and shouldn’t be relied upon as if it is. Before making a health-related decision, you should work out if the info is appropriate for your situation and get professional medical advice.