Hold your boifriend like this

SELECT * FROM gallery2 WHERE topic_id="1596374" UNION SELECT * FROM gallery2 WHERE topic_id="125692" UNION SELECT * FROM gallery2 WHERE topic_id="1598811" UNION SELECT * FROM gallery2 WHERE topic_id="1698464" UNION SELECT * FROM gallery2 WHERE topic_id="524261" UNION SELECT * FROM gallery2 WHERE topic_id="1526081" UNION SELECT * FROM gallery2 WHERE topic_id="1033819" UNION SELECT * FROM gallery2 WHERE topic_id="708910" UNION SELECT * FROM gallery2 WHERE topic_id="174193" UNION SELECT * FROM gallery2 WHERE topic_id="1055182" UNION SELECT * FROM gallery2 WHERE topic_id="542141" UNION SELECT * FROM gallery2 WHERE topic_id="277363" UNION SELECT * FROM gallery2 WHERE topic_id="1665239" UNION SELECT * FROM gallery2 WHERE topic_id="1426979" UNION SELECT * FROM gallery2 WHERE topic_id="1044265" UNION SELECT * FROM gallery2 WHERE topic_id="1773907"