Hello,<br/>Could you tell me whether the following sentences are correct.<ol><li>I feel sad without them because we spend happy hours together, which are filled with laugh, jokes and smiles. </li><li>I feel sad without them because we spend happy hours, which are filled with laugh, jokes and smiles, together. (I think it's incorrect)</li><li>I feel sad and lost without them because we spend happy, filled with laugh, jokes and smiles hours together.</li><li>I feel sad without them because we spend happy hours together, filled with laugh, jokes and smiles.</li><li>I feel sad without them because we spend happy hours, filled with laugh, jokes and smiles together.</li></ol>I would be grateful if you helped me.<br/>Thank you in advance.