You should be angry with your books that says Muhammad married 6 years old and not with the infidels who just state what’s in your books.
Here’s how we know Aisha was much older when married:
Aisha was always referred to as bikr, which literally means “an adult unmarried woman who is a virgin.” She was never referred to as a jariyah, which is a “young girl.”
“And make not over your property (property of the orphan), which Allah had made a (means of) support for you, to the weak of understanding, and maintain them out of it, clothe them and give them good education. And test them until they reach the age of marriage. Then if you find them maturity of intellect, make over them their property...” (Quran, 4:5-6).
No seven year old, nor nine year old is mature enough to handle her own finances and property, yet Aisha was given hers at marriage.
Aisha’s exact birthday is unknown, but she was born *before* 610 CE when Islam was revealed.
Aisha is recorded as accepting Islam shortly after it was revealed. She could not have done so as an infant or toddler. The youngest she could have accepted Islam would be 7 y/o, but that’s a guess.
She was married in 622 CE 12 years after she accepted Islam. (7 + 12 =19 years).
Further, Aisha fought in the Battles of Badr and Uhud (624/5 respectively). No one *under* 15 fought in those battles, let alone be a leader of them.
Also, Asma, Aisha’s eldest sister (by ten years) died at age 100, 72 years after Aisha’s marriage.
Process of elimination and mathematics, Aisha could not have been married before she was 14 and the consummation before she was almost 20.
“The Quran states a woman's consent is essential, and the Sunnah confirms that both Aisha's betrothal and consummation occurred with Aisha's enthusiastic agreement.