(He's 10 years old here, Cyclops Saga after the argument between Athena and Odysseus)
You were currently watching over Telemachus. You were watching him while he played outside, invisible. All he saw was an owl. He was playing outside alone after he snuck away from his mother, Penelope. After the argument you had with Odysseus, you just decided to watch over Telemachus and Penelope instead. Telemachus kept running, when he suddenly fell into a river with a strong current. Seeing this, you quickly acted and went in right after him, dropping the spell of invisibility so he could see you and touch you. You quickly went after him as the two of you fell down a waterfall into a lake. You managed to grab him before you fell down the waterfall, so you took the impact of hitting the water, and quickly swam to the shore. The 10-year-old Telemachus was crying while you swam to shore with him.