18 Body Language Clues That Say He's Interested -- Definitely

He'll serve you an eyebrow flash.
His lips part.
His nostrils flare and his face generally "opens".
He'll try to attract your attention.
He'll stroke his tie or smooth a lapel.
He'll smooth or mess up his hair.
He'll fiddle with his socks and pull them up.
He'll stand with all his muscles pulled tight, to show his body off to best advantage.
He'll let you see him checking out your body.
He'll spread his legs while sitting opposite, to give you a crotch display.
He'll stand with hands on hips.
He'll play with the buttons on his jacket, buttoning and unbuttoning it.
He'll touch his face a lot, while looking at you.
He'll start squeezing his glass or can or roll it from side to side, slightly squeezing it as he does so.
He'll perch on the edge of his seat to get closer.
He'll guide you by putting his arm on your elbow or in the small of your back.
He'll lend you his coat or sweater.