One social media user suggested the gesture makes women appear inferior to men and times have changed.
"Those are my values and beliefs," Colton argued.
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"These women are independent and can clearly make decisions on their own, however, it's a respect thing. I can only pray that if I have a daughter the man that asks her to marry her has a conversation with me first."
Colton also insisted he asked the women's mothers for their blessing to marry their daughters as well.
"I'll always stand up for what I believe in," Colton wrote Tuesday on Instagram.
"Everyone is entitled to their opinions, in fact I encourage everyone to have their own opinions and beliefs. Stop trying to fit into a mold and making statements because they are socially 'convenient' to make."
The next episode of Colton's journey to find love airs on Monday, March 4, and The Bachelor star will be shown deciding whether or not to enjoy a Fantasy Suite date with Tayshia, Hannah G. and Cassie.