After Aril Fool, no more fool

I found out why heart is xin and sex is xing, as well as the rest of related words. It seems my tunnel is through by digging from two sides,

ISN'T IT A HAPPIEST THING TO WEAR A SELF CLAIMED DOCTOR HAT, HAHA...

雁移棲，可以有助強權立
呆不移，溫暖滋生陳腐性
若好戰，百萬鬥士經磨練
效顰者，巨富太多反傷心   13 E.words m-