The 1-1 draw at home to West Ham on Saturday left Saints in a safe midtable position in the Premier League, with seven points separating them and the drop zone.
"We are not going to relax," he Hooiveld. "We just came up and we want to get the most amount of points possible.
"I think 53 is the most possible so if we get that, then we can relax.
"Things are looking good. There is still five games left and we want to end this season in style.
"It is nice to play those games and against West Ham it was exactly what we expected - a lot of fights, a lot of scraps.
"It was high tempo and it was a typical West Ham game. I kind of like the physical battle.
"I think we did very well, played our game, although the pitch and the weather did not really help.
"We played quite well at some points and I think we got the respect because in the end they were happy with the point."