I want to marry my younger sister how?
If she has the same natural parents as you have you cannot legally marry her, it would be called incest and it is against the law.
My younger sister has been annoying me for months I want to pull a prank on her but what?
Can the sister of her brother's wife marry her sister in law's brother?
How to Get Along With Your Younger Sister if You Are the Older Sister?
You are at this page because clearly you are having the sibling trouble. So if your younger sister is about 5-12 years old, this should work. Read along....
Does a sister have to forgive the younger sister more?
Yes. As a younger brother I learned more from my older brother then by him ignoring me. If you really love your sister you should atleast try to talk to her.