I Get Stronger Whenever My Confession Is Rejected

Wang Jin obtained a System that made him stronger every time his confession of love was rejected. You confess to the campus belle, and she tells you to get lost. Appearance +1. You gain the Iron Bones skill, making you as hard as steel. A dog could bite you and break its teeth. You confess to the goddess, and she turns you down. Appearance +1. You gain the Strength of an Ox skill, increasing your strength by 500 jin. You confess to your big brother's woman and get beaten half to death. Appearance +5. You gain the complete set of skills of a stay-at-home dad. You confess to a trillionaire CEO, and several burly men drag you into the woods. Appearance +5. You gain master-level Tai Chi (for show). You successfully confess your love, and she shyly says yes. Wang Jin's expression changes, and he turns and runs... From then on, Wang Jin went further and further down the path of shamelessness.