get a little old (phrase)
/ɡɛt ə ˈlɪt̮l oʊld/

to be no longer fun

blow away (phrasal verb)
/bloʊ əˈweɪ/

to impress someone a lot or to make them very happy

creature comforts (noun phrase)
/ˈkritʃər ˈkʌmfərts/

all the things that make life, or a particular place, comfortable, such as good food, comfortable furniture, or modern equipment

show off (phrasal verb)
/ʃoʊ ɔf/

to behave in a way that is intended to attract people’s attention and make them admire you

might as well (phrase)
/maɪt æz wɛl/

the same as

trick out (phrasal verb)
/trɪk aʊt/

to decorate

culmination (n)
/ˌkʌlmɪˈneɪʃn/

the highest point or end of something, usually happening after a long time

fever pitch (phrase)
/ˈfivər pɪtʃ/

a very high level of excitement or activity, a lot of excitement

you never know what can come up (phrase)
/ju ˈnɛvər noʊ wɑt kən kʌm ʌp/

not sure what will happen

see how it goes (phrase)
/si haʊ ɪt ɡoʊz/

to see what happens

atmosphere (n)
/ˈætməsˌfɪr/

the feeling or mood that you have in a particular place or situation; a feeling between two people or in a group of people

stuff (n)
/stʌf/

a group of different things, activities, or matters

beforehand (adv)
/bɪˈfɔrhænd/

in advance, in anticipation

set up (phrasal verb)
/sɛt ʌp/ 

to establish, to arrange