how to use insulin???

ok bro 22 male from pakistan did one cycle of this
sustanon 1000mg week 1-10
deca 400mg week 1-8
now em off for 5 weeks gained 22 lbs lost nothing till now

this time i wana try slin my questions are:

how much insulin is ok for 154lbs guy?

is it worht using?

after work em suppose to shoot it what kind if slin is best one?

how many carbs and protien em suppose to take after the injection and after how long after the injection of slin

i will appreciate all ur answers....thank u