Just keep doing it man. You're not gonna get huge in 1 month. I'm 20 and still have hard time gaining mass. I've slowly gained 15 pounds after 1 1/2 years of working out. I'm guessing you are built just like I was. You'll have a hard time gaining weight just due to super high metabolism.
16 BSM 340i ZMP ZTR--MPE.:.M Perf Int.:.MPerf Black Grills.:.Sportline Rubber Mats.:.Much More to come