Want to know what I think?

I think to many people stuff around with theories about what is the ultimate way to gain mass.

Guess what - and here is the big secret - anything works!

Some guys train light with lots of strict sets, some guys train heavy with sloppy form and low sets - they both get big.

Just get your ass in the gym and do some sets to failure, eat often and natural, don't overtrain, move your weights up incrementally. You'll get bigger

Train to your style and what keeps you interested in the gym (or any exercise), if you are interested and enjoy it you'll keep going. If you keep going then you'll get bigger.

And eat often and natural, don't skip any meals. Read this sentence 5 more times.