So the first time they had sex while euihyun was in heat he started saying he wanted a baby (but he wasn't being rational) and taeyu said he didn't want to and now euihyun REALLY wants a baby e taeyu wants that too ╥﹏╥ or the fact that when taeju was in his rut he had sex with euihyun while euihyun didn't want to and then he became pregnant and in the last chapter taeju is in heat and euihyun wants to do it while taeju is holding back: THIS IS WHAT I CALL A GROWTH
So the first time they had sex while euihyun was in heat he started saying he wanted a baby (but he wasn't being rational) and taeyu said he didn't want to and now euihyun REALLY wants a baby e taeyu wants that too ╥﹏╥ or the fact that when taeju was in his rut he had sex with euihyun while euihyun didn't want to and then he became pregnant and in the last chapter taeju is in heat and euihyun wants to do it while taeju is holding back: THIS IS WHAT I CALL A GROWTH