Researchers at the University of British Columbia found that women deem men with proud, moody, and even ashamed expressions more sexually attractive than those who sport a smile. While more studies are needed to determine exactly why, researchers suggest it’s related to evolution, with dominant males displaying certain strong characteristics. “Smiling doesn’t come off as masculine,” notes Hartman. “Though remember: This study relates to appearing happy, not actually being happy.” So no need to take it too far—nasty doesn’t work well, either.
If someone in your house regularly video chats, plays online games, torrents files, or uses services like Netflix, they may be hogging bandwidth and making the internet slower for everyone else. Luckily, you can use something called Quality of Service—or QoS for short—to reign in those bandwidth hogs. With QoS, you can prioritize certain applications (say, video chat) over others (like video games) so the most important applications get the bandwidth they deserve. For more info, check out our full guide to setting up QoS on your router .