私
=
厶
+
禾
:
Socrates (s) was hiding the space station's cereals (禾) supplies all along in a fake nose (厶). Now he is heating it all selfishly (私) and sneakily in front of the space station (Ø1).
密
=
宀
+
必
+
山
:
Marilyn Monroe (mi) is secretly (密) making out with her secretary (密) Khubilai Khan (必). Because it has to be a secret (密), they meet in the space station's bathroom (Ø4) and hide under a huge graduation cap (宀). Just to be sure Khubilai Khan has two forks (山) in his hands to attack anyone who might enter and see them.