Thefollowingisatruestory.
Therewasthislittlekidwhohadabadhabitofsuckinghisthumb.Hismotherfinallytoldhimthatifhedidn‘tstopsuckinghisthumb,he‘dgetfat.
Twoweekslater,hismotherhadherfriendsoverforagameofbridge.Theboypointstoanobviouslypregnantwomanandsays,"Ah,ha!Iknowwhatyou‘vebeendoing!"