Source: Christine E. Kaestle, "Sexual Orientation Trajectories Based on Sexual Attractions, Partners, and Identity: A Longitudinal Investigation From Adolescence Through Young Adulthood Using a U.S. Representative Sample," The Journal of Sex Research, p. 811-826, 8 April 2019.
"Substantial changes were common not only from late adolescence to the early 20s but also from the early 20s to the late 20s ..."
Source: Quentin Fottrell, "A new study of 12,000 people says sexuality changes well into adulthood," MarketWatch, 5 May 2019.
"A new study, published in the peer-reviewed Journal of Sex Research, analyzed surveys from around 12,000 students, and found that substantial changes in attractions, partners, and sexual identity are common from late adolescence to the early 20s, and from there into people’s late 20s."
"The results also show distinct differences between men and women, with female sexuality being more fluid over time."
"The early 20s are a time of increased independence and often include greater access to more liberal environments that can make the exploration, questioning, or acknowledging of same-sex attractions more acceptable and comfortable at that age."
"Straight people made up the largest group and showed the least change in sexual preferences over time."
Source: Taylor & Francis Group, "Sexuality continues to change and develop well into adulthood, finds study," EurekAlert! American Association for the Advancement of Science, 2 May 2019.
"For example, 67% of women in the 'mostly straight discontinuous' group were attracted to both sexes in their early 20s. However, this number dropped to almost zero by their late 20s, by which time the women reported only being attracted to the opposite sex."
It is amazing that it takes science so long to discover the obvious. Even at this time, sources are still claiming that sexual choices cannot be changed while science slowly discovers that people actually do change their choices and most often settle into a preference for what God declares. Homosexuality remains a choice that people make, a choice that God declares is a sin (I Corinthians 6:9-10). Christianity is about changing away from sinful choices to choices that align ourselves with the will of God. "Submit therefore to God. Resist the devil and he will flee from you. Draw near to God and He will draw near to you. Cleanse your hands, you sinners; and purify your hearts, you double-minded" (James 4:7-8).