How much are the words "I love you" worth? About £163,000

Good health topped the poll, with those questioned saying it was worth £180,105 to them over a lifetime.

Being told ‘I love you’ came second, followed by being in a stable relationship, which is worth £154,849.

Living in a safe and peaceful country was calculated at £129,448, and having children, £123,592.

Making love languished near the bottom of the poll at £105,210 – less than the £108,021 value of laughing regularly.