Eat your egg yolks, they're good for you.
Have you read the FAQs in the S&P, Conditioning and D&S forums? If not, do so. You may want to post your lifting routine in the S&P forum to get some feedback. If it doesn't include compound lifts (e.g. squats, deadlifts, bench) you will get flamed but it will be good for you
50 lb in 4 months is doable but fairly ambitious. Good luck and train hard.