Rhaegar reign... what to do next?

Rundown of what has happened so far:

As Prince: 

• After some contemplation, he remained loyal to his father despite his faults and defended him against Stannis.
• Killed Robert in a duel
• Aery’s defensive war is won
• First wife died naturally (self-flagellation), allowing him to marry Lyanna Stark and keep his former children
• He marries Lyanna Stark, though their child dies at birth
• Lyanna has another miscarriage while Rhaegar is away freeing the slaves of pirates
• Defended his father against Aegon Blackfyre’s rebellion
• Aerys died of old age during said rebellion, placing the realm in Rhaegar's hands
• When he is at the brink of winning the war (95%), he settled a white peace with Aegon
• Invited Aegon to court, both befriending him and knighting him
• Made peace with the Blackfyres
• Crowned by Aegon Blackfyre

As King:

• A half-sister came forth, who he legitimized and welcomed into his court (after she renounced her claims)
• Ended the male-favored succession law, making it equal instead

Misc

• Found and hatched a dragon egg, which turned out to be female and laid 3 more eggs
• Broke his daughter’s betrothal and did not force her to marry when realizing her affections are for women alone despite her now being his heir
• Went on multiple slave freeing expeditions, who he then gave the choice to leave rather than serve
• Was guardian to Daenerys and gifted one of the eggs his dragon hatched to her (who became Drogon)
• Currently 51 years old and popular with the common folk and lords
• He has 8 kids, 3 sons and 5 daughters. The eldest three own dragons, with two being hatchlings and one tamed adult-ish.

Any suggestions on what to do next? Should I move on to a new save entirely, or maybe play as one of his kids? No clue.