Boot Time Getting Progressively Slower?

About 2 weeks ago, I built a new computer from scratch and gave it some pretty awesome specs, especially for my budget ($1,000). Some basic specs are:

i5-3750k CPU
MSI GTX 660 O/C GPU
8GB of RAM
a 1TB 7200 RPM 6.0GB/s HDD
a 64 GB Samsung SSD

When I first started the computer, I was able to get from boot screen (the little MSI logo for my mainboard), to the Windows 7 login screen in a few seconds. I'm not sure exactly how long, but the little windows logo that appears when Windows loads didn't even finish appearing. The 4 parts of the windows met in the middle and then it was done.However, now, after 2 weeks of installing stuff, the boot time has gone up. Slightly. It went from about 8 seconds to 10-12 seconds (estimates!). To be honest, however, the boot time was pretty much the same until yesterday, and it was different this morning. The only thing that was changed was that I installed Google Drive.Also, just so you know, my SSD is pretty much exclusively a boot disk. All of my program files and user documents are stored on my HDD, allowing my SSD to be the "windows" disk. Like I said, my boot time has always been pretty fast, and I certainly am not complaining about it now - however, I've noticed and change, and don't want it to continually get worse, so I want to try to prevent it from happening in the future. By the way, I have taken multiple maintenance measures. Yesterday I ran a full virus scan on both disks, a defragment on the HDD (I know not to run one on the SSD), as well as run CCleaner to ensure that my startup isn't too long (It went up by 1 program : Google Drive).