She's taught me to be kind and considerate, and to always present myself in a professional manner, because you never know who is watching you
Perhaps change the "you" to something that applies to yourself? I've always been told never to address the reader.
Not only has she given me life, but she's made me into who I am today.
She's taught me to be kind and considerate
As arsenal123 mentioned, avoid the contractions. "She has..."