If you verify your email address you will receive a special dress.
You can change your Lady's name for free the first time and then after that every subsequent change will cost 50 diamonds.
Links to engagement party galleries never expire. You can always retrieve your photos later should you need to go offline or if you don't have the photo slots now.
To see what your stats are with activated popularity bonuses, boyfriend bonus, car bonus, etc. you just need to visit your welcome page. To see the stats that everyone else sees just visit your profile page.
The best time to duel other Ladies is when Ladies online is below 1k. This means that banks are getting full, job shifts are ending, and Ladies aren't online spending their dollars.
Most US Ladies get hit around 3-6AM central time because this corresponds to 10-1pm central European time.
Most European Ladies get hit around 4-7PM central time because this corresponds to 11PM-2AM central European time.
Because of the above it's wise not to send your Lady to work if you know that you won't be up and on LP by the time her shift is over.