Share Home > Author Quotes > Robert A. Heinlein > Love is that condition in which the happiness of another “Love is that condition in which the happiness of another person is essential to your own.” ~Robert A. Heinlein Tags: animecaringconditionessentialfeelingshappinessinspirationalkindnesslovepartnerRobert A. Heinlein You can never get a cup of tea large enough or a book long enough to suit meI will fall for a boy (Boyfriend) who will:The only difference between a Good Day And a Bad Day Is your ATTITUDE!I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the ...It is our choices, Harry, that show what we truly are SCAN THIS QR CODE WITH YOUR PHONE