Why do men first look at a woman's chest instead of their face?

Read also:

• The Mysterious Inner Workings of Io, Jupiter’s Volcanic Moon - WIRED
• Minecraft's "Vibrant Visuals" update finally has a release date - Eurogamer
• Where do high school kids get weed from?
• Why do Trump supporters believe Trump should deport the immigrants? These people you call "illegal immigrants" have lived here for many years, they have houses, jobs, how can you think they will just go back to their country, where they have nothing?
• Why do we often have strong feelings for our twin flames, even if they don't feel the same way? Is there a way to make them realize their true feelings for us?
• Why do I have an itch in my labia, white gooey and thick discharge which doesn't have a smell but my vagina does sometimes and both me and my partner do not have STDs, what is it?
• Why are men so attracted to big breasts?
• If women aren't shallow, why do most tall, good-looking men have girlfriends?
• NASA Releases Its Clearest Mars Images Yet – 140 Million Miles Away, And Everyone’s Noticing The Same Strange Thing - Indian Defence Review
• I Used to Dread Taking Creatine—Then I Found These Gummies - The Daily Beast