To expand about yourself more than just what your resume says
I don’t think you need a comma after old
D. Babysit for you next weekend? Sure, I'll just cancel my trip to Disney
World. It probably would have been mildly entertaining, but that's O.K.
Through many years of controversy with our late associates, the Northern States, we have vainly endeavored to secure tranquillity, and to obtain respect for the rights to which we were entitled.