hello, I have read a lot about steroids but it seems to me that more than I read , the less I know .

according to the recommendations and advice for the first cycle, I envisioned my cycle like this:

Length of the cycle: 12 weeks
Substance : testosterone enanthate twice a week for 300 mg. (600 mg a week)
Diet : Total from all meals 3233.56 kcal ,

1034.88 from proteins , 1214.8 from carbs , fats from 983.88

My stats are:
178 cm, 75 kg, bf around 12%, 22 years.

I use : proteins , creatine (what dose do you recommend? some say 5g some 10g...), omega 3 , multi vitamins , digestive enzymes , BCAA , casein .

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Questions:

can I inject 12 weeks only in one muscle?
can testosterone be stored at room temperature?
is there any protection recommended during cycle?
what should I use for PCT? I know that is needed but I really do not know what would I use.
should I reduce the dose of testosterone in last weeks?
I have read, that after 12 weeks on cycle I should take 14 days break and then continue with PCT. Is this correct?
what is the fastest and easiest way to get rid of acne if they appear?

thank you for answers, and please give me as many advices that you can.