HOUSTON (CBSDFW.COM/AP) — Former President George H.W. Bush took time to compliment the medical workers helping him recover from an infection at a Houston hospital, but said once doctors give him the okay to leave, “I’m outta here.”

The 93-year-old Bush was admitted to Houston Methodist Hospital on April 22, the day after attending the funeral for his wife, Barbara. The pair were married for 73 years.

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Bush sent out a tweet Thursday that said everyone at the hospital has been “so nice,” and that he was especially moved when a three-story atrium at the hospital was named to honor him and his late wife.

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But he jokes that he doesn’t want people to think he’s “taken up residence” at the hospital.

A family spokesman has said the nation’s 41st president has been regaining his strength.

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