Complex sentence: After Milhouse kisses Homer, he refers it as his "first kiss", when he obviously kissed Samantha Stanky, his first girlfriend, frequently in "Bart's Friend Falls in Love" in Season 3.
Split into simpler sentences: After Milhouse kisses Homer, he refers it as his "first kiss". However he kissed Samantha Stanky, his first girlfriend, frequently in "Bart's Friend Falls in Love" in Season 3.