gratitude police via /r/gratitude

long story short, i’ve struggled with very severe health issues and my life was literally (in the most physical sense of the term) by some doctors.
as of now it’s natural for me to thank said doctors when i have the occasion to do so, for example dedicating them my works.
yesterday i told my mom about the dedication i made to my exam, where i mentioned my teachers and two doctors who were really determinating in my life.
she went: “oh, what about your parents? everything we do is taken for granted, you always mention the same people”.
oh, sorry if you are not at the center of the attention and of my thoughts in every secon and yes, i always mention the same people because it’s physically thanks to their work that i’m alive now.
nobody has the right to tell me who i should be grateful to or how i should express my gratitude