TRSE: How To Draw Tutorials:
Differences between Males & Females

Here's the diagrams of average(not ideal) male and female bodies.
Boys, it's not polite to gawk at females.

    As you can see, there are many differences between the male & female bodies, and even some patterns are different too. Many features in such bodies always have purposes as in accordance with the Theory of Evolution.
    The male body was built for strength which aids with gathering of food, and protection of families/comrades from anything hostile (and regrettably social dominance based on strength). The female body on other hand, was built for flexibility, speed and child-bearing. The wider female hips was to carry a small child while walking while the fattened female breasts were to produce and store the milk used to feed the babies. Believe it or not, male breasts can produce and store milk too if given right hormones too! I was told by a female artist that female breasts are usually set at 45 degrees apart (when not supported by undergarments) due to the curvage of the ribs.
   Anyway, let's preview the pictures below and apply the concept of patterns to them.

Here are the differences anyone must keep in mind while drawing:
   -Male shoulders are usually broader than female shoulders.
   -Female hips are usually wider than male hips (and female waists are narrower too).
   -Female features are usually smoother and more rounded while male features are usually more blocky and bumpy. But female features can be applied to any "girl-faced" boys (Yatan is a good example) and any young teen boys. Even some male features can be applied to females too ("flat-chested Zoycite").
    -Male is usually taller than female but we can have really tall females and really short males.
    -Both male and female as children have almost same bodies (ignoring the genitals) until they reach puberty when their bodies begin to develop differently and gradually.

    And lastly, no body is the same. Everything over a body either a male or a female always vary. Anyone can be taller or shorter; anyone can be fatter or thinner; anyone can have narrower hips or wider hips; anyone can be prettier or uglier; even both male and female breasts vary too;  Such variety is something one must keep in mind if one want to create various characters since variety makes characters look more realistic without looking like "twins/triplets/quartets/etc"