Wounded Heart Vinegar Valentine 1870s

A "Vinegar Valentine" card dated to the 1870s ("c. 1875"). Brighton Royal Pavilion and Museums ID 19110.
Illustration shows an unhappy moustached man in a top hat, bearing a placard showing a red heart symbol pierced by six arrows and the text "PITY A POOR WOUNDED HEART".
Caption below the illustration:

'Tis said you share your love with many.
But I believe you have not any
At least enough to give away.
You keep it for yourself they say.