Big mods like the Floris Pack are independent from the Native game in Mount and Blade. The mod is installed in it's own folder, and you must choose it before launching the game. Therefore, reverting back to Native is just a matter of sectioning Native over the mod.
Saves are also mod specific, so your save with the mod will mot be mixed with Native saves, your previous save remains unaffected.
The Floris pack in itself aims at adding new functionality to the Native game while still conserving the feeling of the original. It is not compatible with the multiplayer, but you can just go back to native for it.
In game, you can consult with all your lords before appointing a fief, then appoint the fief to the lord who has the most supporters amongst other lords. This should limit the negative relations hit to the lords who did not support the lord who eventually gets the fief.
Failing that you can modify your game using the module system to lessen the relationships hit. IF you're not familiar with modding the game and the module system this can be a bit of a challenge, but the way to do it is:
Find the file module_scripts.py, and look for the script give_center_to_lord.
Find the line:
(val_clamp, ":relation_with_liege_change", -5, 3)
This line signifies that the relationship change between lords and liege when awarding fiefs varies between -5 and 3. Change those values to whatever you like, for example -1, 20.
Note that this change will also affect other kings, so this makes getting their vassals harder.
To make the change only affect the player, change the line by this piece of code:
(try_begin),
(eq, ":faction_leader", "trp_player"),
(val_clamp, ":relation_with_liege_change", -5, 3), ##CHANGE THIS LINE HOWEVER YOU'D LIKE
(else_try),
(val_clamp, ":relation_with_liege_change", -5, 3), #THIS WILL BE FOR ALL OTHER KINGDOMS
(try_end)
Again, change the values in the above piece of code to whatever you want.
Source: talewords forum.
Best Answer
When the horse is stopped you need to look down on the ground for the "Dismount" option to appear.