I've never had a boxer but this lady I once knew where I use to go get my hair cut had a boxer and she kept it w/her at work. The dog was real friendly and would let you pet it...she usually layed over in a corner when ever I was there--just staying out of everyone's way..
We have a lab/pit mix and she's the most loving dog ever..she gets along great with all of our other dogs--I love her to death! I think that you should go ahead and adopt that puppy..cause if you're only worried about it being aggressive I don't think you'll have a problem...dogs aren't born aggressive...things have to happen to make them that way..
*Some people come into your life and quickly go, but some leave footprints on your heart and you are never the same*
*We only fall so we can learn to pick ourselves back up*
*Life is not measured by the amount of breaths we take but by those that take our breath away*
*Life is made of millions of moments, but we live only one of these at a time. As we begin to change this moment we begin to change our lives*