Complex sentence: His wife Colette, once Miss Lebanon, wanted to pursue a music career however, Assi was not happy about it as he believed his wife should stick to her conservative roles, so they both agreed and she did not go ahead with it.
Split into simpler sentences: His wife Colette, once Miss Lebanon, wanted to pursue a music career. However, Assi was not happy about it as he believed his wife should stick to her conservative roles, so they both agreed and she did not go ahead with it.