You should always express your beliefs to others when the appropriate situation arises. If a conversation about homosexuality is apparent, tell everyone what you think. Tell them how you feel, and make sure you're proud of your point of view and remain adamant in your beliefs. Each person collectively makes a difference, and if everyone who supports a cause doesn't forget to voice their feelings, a little change is made every day. Keep your beliefs in your heart and don't forget what is important to you. Most of all, you need to believe change will come, even if it takes a long time, but love will prevail :-)