However you want to tell someone how much you care, there's always this way from Paul Gandhi. Go on, let them know that they're a thorough if unimaginative lover.
Details:
Designed by Paul Gandhi.
Size: A6 (105 x 148mm / 4.1 x 5.8 inches). - that fits as a standard sized letter in the UK mail.
Printed on FSC Board - this means that the paper is produced from sustainable forests and/or recycled materials.
Blank inside for your own message.
100% recycled brown kraft envelope supplied.
Made in the UK.