01 - because you cant get to sleep
02 - makeup sex
03 - breakup sex
04 - your friend told you about a new position
05 - revenge
06 - rebound
07 - paratrooping / banging for roof
08 - nothing good on TV
09 - because you're in a hotel
10 - curiosity
11 - its raining
12 - its half time
13 - diet/exercise
14 - celebrating recent weight loss
15 - to kill time
16 - prom night
17 - you're already at their place and you don't want to move your car
18 - show off new lingerie
19 - celebrate major victory by your favorite team and/or political candidate
20 - your chance to do it in a specific location (ie: airplane bathroom, stairwell, movie theater)
21 - to prove you're not in a rut
22 - stress relief
23 - just shaved legs
24 - forgot to buy a birthday present
25 - "lets get it on" by Marvin Gaye is playing on the radio
26 - celebrating the joy of life after a near-death experience
27 - you're one chance with a celebrity
28 - because your'e too drunk to drive
29 - to avoid cleaning, studying, or doing work of any kind
30 - she wants to
31 - its cold outside
32 - cheer someone up
33 - you're in the back seat of a chevy
34 - your roommate is out of town and you can do it on the couch
35 - some very protected sex to celebrate the fact that i'm not/you're not/we're not pregnant
36 - practice
37 - they have air conditioning and you don't
38 - because he/she is from one of the countries you haven't sex with a person from yet
39 - "Damn your calves look good in those cargo shorts"
40 - called/texted the wrong person but she was into it anyway
41 - because she looks like your super hot cousin and this is the closest it'll ever get to being okay
42 - breaking in a new apartment
43 - because he said he loves you and you're not ready to say it back yet
44 - wingman diving on the friend grenade
45 - your condoms are about to expire
46 - "its getting a little hard"
47 - miscommunication
48 - to reinforce good behavior
49 - to change the subject
50 - love <3>
