Your nickname from them:
Will:Meam Specious (Latin)
Jem:Mea maxima caritate (Latin)
Gideon:Love
Gabriel:Rose
Raphael:Bellatore
Mark:Butterfly
Julian:Phoenix
Sebastian:Ice Queen
Emma:Caritas mea bellatore
How you sleep together:
Will:

Jem:

Gideon:

Gabriel:

Raphael:

Mark:

Julian:

Sebastian:

Emma:

Line used to ask out
Will:So Y/N would you go out with me?
Jem:Will you go out with me Y/N?
Gideon:Would you like to meet me somewhere?
Gabriel:Will you go on an date with me?
Raphael:Go out with me love?
Mark:Would you like to go out Butterfly?
Julian:So um Y/N would you ... maybe like to go out sometime?
Sebastian:Let's go on a date.
Emma:Hey do you wanna go with me?

Your first date
Jem:You go to the park and feed the ducks.
Will:You stay in the Library for hours till Sophie and Charlotte have to come find you.
Emma:You train then go to the beach for a while.
Mark:You take him on a bike ride since he misses the hunt a bit.
Julian:He takes you to his studio then to the roof to watch the stars.
Gideon:He took you on a picnic not far from the clock tower
Gabriel:He showed you around London pointing out places the most beautiful that shallow in comparison to you as he said.
Sebastian:He took you to a little dinner in Iceland.
Raphael:He set up a diner under the stars for the two of you.