"Tactics of love" is "밀당"(mil-ttang) in Korean.
It is abbreviation of 밀고 당기기(Mil go danggigi). The literal translation is "Push and Pull". Of course, this is depending on the person. Pushing and Pulling have an important meaning in the first stage of love. But if there is no favor to the person then, such tactics don’t have effect. A future likely to develop into love, each men and women nor lover even friends, Sseomssing Nam (썸씽남), Sseomssing Nyeo is referred to as a (썸씽녀), that you are in such a state 썸 타다(Sseom ta da).