Avoiding frontal hugs is one of the ways a man can pursue modesty and sexual purity. I love to show physical affection, so I often side-hug women I care about and know—if I have a close, appropriate brother-sister relationship. But I avoid full-frontal hugs.
The words a man uses are extremely important. For example, he should never call any woman "hot" except his own wife, and to her privately. By keeping his eyes under control, a man not only keeps himself from lust, but also doesn't give a glance to a woman that could tempt her to inappropriately seek his attention more.
Of course, a man should avoid sexually provocative clothing, though prevailing fashions make this much easier for men than women, because fashions expose and exploit the female body more than the male body.
Randy Alcorn (@randyalcorn) is the author of over sixty books and the founder and director of Eternal Perspective Ministries.