we don’t have much reason to boast because God di most of the hard work putting things on this earth together : check out:

http://www.gotquestions.org/questions_God.html

we did not love God first, rather, God loved us first when he made us. simply making us shows he cares for our existenceand that means that we have to be modest when we boast because if we do do somehing good, it’s only because God gave us a choice to do good because love is a choice.