This is incorrect. You have a definition error.
GRAT'ITUDE, noun [Latin gratitudo, from gratus, pleasing. See Grace.]
An emotion of the heart, excited by a favor or benefit received; a sentiment of kindness or good will towards a benefactor; thankfulness. gratitude is an agreeable emotion, consisting in or accompanied with good will to a benefactor, and a disposition to make a suitable return of benefits or services, or when no return can be made, with a desire to see the benefactor prosperous and happy. gratitude is a virtue of the highest excellence, as it implies a feeling and generous heart, and a proper sense of duty.
KINDNESS, noun [from kind, the adjective.]
1. Good will; benevolence; that temper or disposition which delights in contributing to the happiness of others, which is exercised cheerfully in gratifying their wishes, supplying their wants or alleviating their distresses; benignity of nature. kindness ever accompanies love.
There is no man whose kindness we may not sometime want, or by whose malice we may not sometime suffer.
2. Act of good will; beneficence; any act of benevolence which promotes the happiness or welfare of others. Charity, hospitality, attentions to the wants of others, etc., are deemed acts of kindness or kindnesses
NARCISSISM, noun
An exceptional interest in and admiration for yourself.
----
There's an important word in that definition of narcissism: "exceptional." Showing gratitude cannot constitute narcissism as such.
Please stop trying to redefine words.
