Upson admits West Ham players need nerves of steel
Typically, they are battling for survival as they take on the league leaders, with just eight games left to save their skins.
The centre-back, 31, told The Sun: "Things have been so up and down and we have had to roll with the punches. It can make you strong or it can ruin you.
"At the end of this season I'll have been here for 4½ years. We had one season under Gianfranco Zola where we gave ourselves half a chance of getting into Europe but then finished ninth.
"Other than that, it's been a scrap. We've had to deal with a lot this season and, if you're not careful, that can get on top of morale.
"But the lads seem more organised now and seem to have shaken it off.
"I don't want a boring season ever and there's never a dull moment here. At least if you're at the bottom of the table there's a bit of drama and passion.
"I realise fans are probably pulling their hair out but I do want success which, this season, means staying up.
"It's a rollercoaster here but I've loved it right from the start."