Tummy Tuck and Lipo

I am scheduled to have a tummy tuck on May 12th (pre-op April 26th) and I am scared out of my mind!!! I am 22, will be 23 in May and have a 5 year old son that tore my body apart. I've been patiently waiting for the right time to invest in my surgery, and now just so happens to fit my schedule! I have posted pictures of what I look like now and was wondering if anyone knows what I should expect for realistic results. I want a flat tummy and want those love handles GONE! Any reassurance and advice would be GREATLY appreciated, I've never been through a surgery before and like I said am extremely panicky right now. Thanks in advance!

By the way, I am currently 150 lbs, 5'2. (Chubby, I know) I was 196 when I went into labor with my son 9/22/05, and before getting pregnant I weighed probably around 105. So all this weight is a big burden on me.

Well I went to pre-op today and everything went great!! I was soo impressed to find out all of my exercising is working, I've lost over 10 lbs and now only weigh 140! Unfortunately enough my stomach or flanks never shrink so the surgery is absolutely necessary to gain back my pre-pregnancy body. My doc took my before pics and prescribed me percocet for pain, phenergen for nausea (I have a weak stomach) and keflex for antibiotics. Also gave me ambien to help me sleep the night before. I have 16 days until surgery and I'm so nervous it's ridiculous, but he has reassured me that everything will BE OKAY and I'll be so happy with my results.  Does anyone know what I should use to help heal the scar? He showed me where it would most likely end up and it's really low so I'm pretty happy about that. Again, any advice or information you can lend would be very appreciated!!! Thanks for your comments!!