Please choose the correct ending to complete the given sentence: Youth: [header] How to tell if you have hit puberty (boys ) [title] See if you have more body odor. [step] Your hormones affect your sweat glands, which can lead you to smell a bit more and to smell differently. If you have a change in your body odor, then it may be time to start wearing deodorant if you aren't doing so already.

Ending1: [title] Inspect the product that you choose to test for hormonal changes. [step] All products, both homemade and non-homemade, can cause or alert you to a change in your body odor. Ending2: You may also need to shower more often to keep your body feeling fresh and smelling clean. [title] Check for an increase in the size of your testicles. Ending3: [substeps] Add 2-3 tablespoons of a scented body spray that looks like that of your mother to your morning shower or bath. Alternatively, you could leave your scent on your skin. Ending4: [title] Notice if you have a heavy rain smell. [step] This is the most common body odor smell associated with boys and is often accompanied by heavy misting.

Answer format: ending1/ending2/ending3/ending4