losing weight to fast!!

i have been off for 2 weeks now,i have lost 5 lbs.last week i started dropping cals/carbs.i have a show in june 7.why am i dropping weight so fast?i'm doing my post cycle as well.i know i have the fast matabalism,stats are5'6" was 175 2 weeks ago.now 170.did 10 wks of test enath.500mg and 35mg d-bol 4 wk.
cals are at 2000/protien at 200

last ? what site can i go to for nutritional info. f/c/cal. ect on all foods?

i droped 35lbs in 5 weeks, any questions?

You're about the same size as me. I'm cutting for a contest right now too. I'm taking in about the same number of calories as you, but way more protein. I try to keep mine at least 250 and usually closer to 350. Maybe you need more calories. Do you know what your maintenance level is?