Role Play

Hi girls(: my boyfriend and i have a pretty good sex life but i love surprising him with new things. Whether its positions, ways to give him head, etc. I need a bunch of ideas on what to do for our 1 year 6 month anniversary. I wanna go crazy. Give me examples of 
-Costumes
-Positions
-How you do your hair/make-up
-Where youd get lingerie 
I need help!! Thank you xoxo