The phrase "to love both personalities" means to care for and appreciate someone for who they are, even if they have different characteristics or behave differently at times. Full definition
I have a very sarcastic, humorous, fun loving personality! (fwbdatingsite.com)
I bet you didn't think when you started you would be as far as you are I truly enjoy your blog, and love your personality with it! (foodfaithfitness.com)