There is nothing wrong with being a gay, or a lesbian or whatever, there have been a lot of sites that even promotes it. Just because someone is not on the same gender or lifestyle as you do does not make him all that different. Some prefer someone else as their companion and it is your responsibility to actually respect that and have respect for the person of the mission.
Here are some girl on girl memes that might help you out to accept what that is and to promote gender freedom and equality. The world is no longer divided into women and men, there are so much more that we can do to stop any discrimination against those that like people of the same gender as they are.
Here are some memes to prove just that and to make people accept those that LGBTQ members are also human and they need love as well.