What do you say..?.

Hey im dan. Im 19 years old soldier from Israel. Im an Krav maga martial art instractur.
Yesterday i went to a krav maga class in my city to train with the students and teach them. Its a class for ages (15 to 18).
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There are 6 men and 3 girls in this class.
I fought vs each of them 1-2 matches and defeated them.
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One of the students is a 15.5 years old girl. She is taller then me. (1.78 vs 1.68).
And she looks like a future supermodel.
I defeated her also.
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After the class ended, she talked with me and complimented me for my big muscles and said also that she let me win and she can defeat me.
I tought she is joking and asked why didnt she defeated me then.
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She said its cuz she didnt wanted cuz she tought it would embarres me maybe.
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So she challenged me for few more fights.
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After the other students left, we fought alone 4 more time. She won all the t matches (!).
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I was super surprised. A 15 years old girl kicked my ass. Easily.
She helped me up after the last fight and brought me water. She is super cute.
I complimented her alot and told her its unbelivable she just defeated a trained soldier.
She blushed a bit and asked me if i want to keep training with her on a daily/weekly basis.
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I agreed. Is it good that i agreet or she is too young?