Do I want a Girl or Boy?
While individual temperament and personality are to be considered, though with the sweet loving Shih Tzu, simply said,
Girls love you and Boys are in love with you (adore you).
Girls can sometimes be moody (imagine that?)
Neutered Boys make fabulous companions and will not mark your house with the usual potty training and the neuter procedure done before 6 mos of age.
So please do not discount a little boy fur angel as both girls and boys are soo loving and make marvelous companions.