How about achievements based on personal relationships? It's character based game after all.
Achievement for "one true love"(c) - for being friend and soulmate with one's spouse, with no other lovers while you both alive (no assassinations!)
For marrying and being lover/soulmate with one's childhood crush.
for beating in duel your bully-turned-rival (or nemesis)
"Lance-a-lot" - for becoming lover of one's best friend's spouse...
Achievement for "one true love"(c) - for being friend and soulmate with one's spouse, with no other lovers while you both alive (no assassinations!)
For marrying and being lover/soulmate with one's childhood crush.
for beating in duel your bully-turned-rival (or nemesis)
"Lance-a-lot" - for becoming lover of one's best friend's spouse...
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