Please choose the correct ending to complete the given sentence: Youth: [header] How to transition into becoming an adult male [title] Expect your body to start looking different. [step] As you transition into a man, your body will react to having more male hormones. You can expect to grow facial and body hair.

Ending1: You may begin developing testosterone more quickly than girls do. Put out a personalized ad in the classifieds so that you can get noticed. Ending2: More and more and your body begins becoming androgynous. Your hair will start looking curvy. Ending3: This will vary greatly based on your age. Men typically start their hair in the mid-teens in the 21st century. Ending4: You might also notice that you develop more muscle in your arms, legs, and chest. [substeps] As your body changes, you may feel self-conscious or begin comparing yourself to other adult males.

Answer format: ending1/ending2/ending3/ending4