Those guys lift heavy weights, often. And eat enough protein and calories. Do likewise. But bear in mind at least some of them may be juicing. Do not do likewise.
What's your version of "eating healthy"? Name everything you ate yesterday, and today so far.
With this particular example, your grip could be too close. Try scooting your hand placement a bit wider. Also, at this stage of the game, it wouldn't be the worst thing in the world to include a few sets of pec-deck flyes or DB flyes after you bench.
The fastest results will come from consistency. Nail three or four good weight training workouts each week and at least four good meals each day, and you'll be there before you know it.
What's your program look like now? What exercises, sets, reps are you using?
There are close to three bajillion articles on this site, the majority of which will suit your needs. Chad Waterbury's Total Body Training is a good start.