4 months, how much progress can a beginner make?

[Needhelp]

Since I want to be defined, should I change my diet up after like 2 months or so?

Thx

 

[Needhelp]

So, my diet is good?

If i'm not making good gains, what should I add?

If i'm adding a lot of fat, what should I take out?

 

[Needhelp]

I'm gonna lift at 4:30, not 3:45 now..

I work at 6, so i'll eat the chicken meal around 5:30 or so.