This is the Happy Port from the BBC World Service.

I'm Bernadette Keough, and in this edition,

I'm going to try to get through this without crying too much.

Please watch this whole video.

How a cry for help on social media led to love and marriage.

I got a man who's completely obsessed with me. I love it.

The wife was the same way.

Yes.

Also, saving your dad's life twice.

I want to live now, having my dad around.

Life is not promised, so I'm not going to worry about what could or couldn't happen.

I need to live for now.

Joshua gave stem cells

when he was 12 and has now donated a kidney. How learning to cook at home is saving people money

and improving their health and a chance encounter that led to a project using tennis to help

homeless people. He kind of said to me, hey, I've seen you on telly.

Would you play tennis with me?

He played like Ken Rosewell and Rod Laver.

He was amazing.

As couples around the world have just been celebrating Valentine's Day, we're starting with a truly modern transatlantic love story.

It has everything, an American with a broken heart, an elderly dog, a German pilot in shining armour, and a happily ever after in Switzerland.

And as Nikki Cardwell reports, it all began with a

...