Using the BSS License for 2 User Accounts on same PC

Hi, I am still using Windows 7, and I have 2 accounts that I use, one for when I'm at home and one for at work. I know we get to use the same license on 3 computers. Sometime on my break and after hours in my office, I like to see and mess with BSS. But I just want to confirm if it is normal to that even if I am using the same physical PC and PC name, I was forced to use a second licenses for this computer, so I have used 2, one for each user account. Is this the way it is suppose to work? I appreciate some clarification, in case I installed something wrong. Thanks!