Giggs was outstanding in their FA Cup win over West Ham United.
But he was coy about his future and laughed when told that manager Sir Alex Ferguson had suggested he could easily play another year.
"I don't feel like that now!" he said, smiling after completing 90 minutes against the Hammers.
"I'm enjoying it more than ever at the moment, though. The FA Cup at Old Trafford... if you don't enjoy it you need to pack it in."