If you've ever been proposed to, you can no doubt remember the adrenaline of the exact moment you realised what was going on: the tears that sprung to your eyes, the shaking of your hands, the jittery thoughts (including ‘why oh why didn’t I paint my nails’) coursing through your brain.

If you've ever been proposed to, you can no doubt remember the adrenaline of the exact moment you realised what was going on: the tears that sprung to your eyes, the shaking of your hands, the jittery thoughts (including u2018why oh why didnu2019t I paint my nailsu2019) coursing through your brain.

Video shows man's heart rate soaring as he proposes to girlfriend

Wearable technology captures nerve-wracking moment