Do not only be close with someone who makes you happy. Be close with someone who cannot be happy without you. It makes a lot difference to him at least.
Smile is a language of love, Smile is a source to win hearts, Smile is a name of livelihood and brings greatness in personality, so always keep smiling.
Thoughts of possessiveness come when there is fear of losing the loved one! It’s not because they don’t believe you, it’s because they don’t have faith on others who might take advantage of your sweetness.