Peanuts by Charles Schulz for February 14, 1952
Transcript:
Violet stands on the cobblestone lane and exclaims to Charlie Brown, "You didn't give me a valentine!!"<BR><BR> He replies, "I did, too!" She returns, "Well, it wasn't a very big one!"<BR><BR> He turns away and says over his shoulder, "It was the biggest one I could afford!" She says, "Was it really?"<BR><BR> As they walk down the lane, she turns to him and concludes, "You're wonderful, Charlie Brown!"<BR><BR>
And in that one strip, the entire relationship between man and woman is explained. Genius Schulz, old boy.