Please choose the correct ending to complete the given sentence: Youth: [header] How to act in love with your boyfriend [title] Keep eye contact. [step] A boy or girl who is fragile of spirit needs to know you care and the eyes are the windows to the soul. [title] Smile.

Ending1: [step] Do not smile at your boyfriend, he'll find it weird and scare off an already cute girl like you. Smiling ensures that the cute girl likes you too. Ending2: [step] Small smiles are comforting for him, so if he is sad about something or was hurt, smiling is a big sign that you care. [title] Buy that shirt he wore last night after school. Ending3: [step] Smiling and making physical contact is something that most people need to know, but have no make up to do until they are truly well versed in the concept. When you catch them staring at you, their eyes will slowly glaze with surprise. Ending4: [step] It may not mean much to you, but a smile is infectious. A person who smiles at another person is an encourager, who is offering a moment to another soul who just needs to know someone cares.

Answer format: ending1/ending2/ending3/ending4