Story highlights Bill Clinton gave a Monday speech at the Nashua Community College in New Hampshire

He has offered advice and helped fundraise behind the scenes for his wife's presidential campaign

Washington (CNN) Bill Clinton made his speaking debut on the 2016 campaign trail Monday by telling voters about the softer side of his wife, Democratic presidential front-runner Hillary Clinton.

In a speech at the Nashua Community College in New Hampshire, Clinton told stories about the early days of their relationship.

"I thought she was the most amazing person," he said, describing the two meeting and falling in love nearly 45 years ago.

"Everything she touched, she made better," he said.

Clinton was less charitable toward the Republican presidential candidates. Though he didn't mention anyone by name, he said the entire field is "kind of scary."

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