No more favors... but still favors to do?

[The A.W.G.]

I have completed the game and now I'm just joking around to get some more collectibles and I noticed I have no Favor icons on the map. Fact is the "Mr. Nice Guy" achievement (do all the favors) is still locked so... are there any other favors to do? How do I do unlock them since the main story is ended? Thanks!

[Patrick]

Check out the contacts on your phone. If you did everything, only the 'Car Valet' contact should remain there. Dates with chicks count as favors.

[The A.W.G.]

Ah! I was only missing the "Ah! Faster! Faaster!" mission by Sandra... lol. Thankyou mate now I got the achievement so I guess I have no favors left!