Call it retirement anxiety, or maybe recession obsession.

For all of their married life, Patrick Webster, 63, and Susie Martin, 54, have been extremely frugal.

Webster and Martin, who both work at Marymount College in Rancho Palos Verdes, have been stashing away their combined income at an enviable rate — more than 25% — for retirement.

Together they have more than $1 million in investments and no debt. But rather than feeling reasonably secure about their financial future, they dread a return of hard times.

"I wanted to be a multimillionaire and retire at 54, but everything crashed," Webster said of one of the four stock market downturns he has endured, that one in 1990 while he was teaching in Texas. "I lost my job, lost my house. I lost everything."

"My horizon is no longer 25 years," he said. "If we have another stock market crash and the Dow goes back down to 6,000, I don't have the time to recover. I would have to work until I die, and I don't want to do that."

Certified financial planner Delia Fernandez, who reviewed the couple's financial situation, said that feeling of vulnerability is common among baby boomers, who have had their confidence rocked by the volatility of the stock market.

"A lot of younger people don't realize what the baby boomers have been through," Fernandez said. "The fact that the market has come back every time is small comfort."

Stock market contractions have not only come more frequently since 1990, they have been progressively worse each time, she said.

There was a roughly 15% decline from June to November of 1990, then a 15% drop in July-August 1998. Next was the long bear market that ran from September 2000 to September 2002, when the market fell nearly 45%. The worst was a 51% decline between November 2007 and February 2009.

Webster and Martin's response was to spend as little as possible and save as much as they could to get back into a better financial position.

Like a lot of baby boomers who saw the value of their investments erode in the last recession, Webster expects the worst.

"Something is going to happen in the next five years" to the U.S. economy, he said, "and we need to be better prepared for it."

How have they prepared so far?

"We don't go to Starbucks every day. No manicures, no pedicures. Those kinds of things really add up," Martin said.

Webster's response was to work more like someone who was earning only a minimal wage. Even though he was making $80,000 annually working as a full-time math professor at Marymount College — with Martin adding her $70,000-a-year salary as an articulation officer, who provides educational and vocational guidance services — Webster held a second job for 18 years.

After a couple of hours at his Redondo Beach home, Webster hit the road again at 5 p.m. in his aged Corvette, off to teach a three-hour class at El Camino College in Torrance for an additional $20,000 a year. Sometimes he taught on weekends too.

This last semester was the first he hasn't worked a second job. "It felt so weird to me, like I was a slacker," said Webster, who was only half joking when he added, "I feel like I'm in semi-retirement right now because I'm only working one job."

Martin has maintained her distance from the family finances, preferring to let her husband crunch the numbers. After opening her retirement accounts, she pretty much ignored where her investments were going.

Webster and Martin got married in 1997 in Ireland, in a small town where his great-grandparents lived.