悔
=
忄
+
每
:
Helga Horse (hu) regrets (悔) having eaten that cake. In the Eiffel Tower (ei3) she punishes herself with a flail (忄) and by working out (每).
悟
=
吾
+
忄
:
Willy Walrus (w) is idly playing with a flail (忄) in the space station's bathroom (Ø4). Suddenly he realizes (悟) that his flail will be much more effective if he attaches a mandarin colored pentagram (吾) to the flail's head.