The former Swansea captain took ill last week and watched from his hospital bed in Holland as fans of his old club showed their support during the 4-1 win over Aston Villa - chanting his name in the sixth minute in recognition of the shirt number he wore at the Liberty Stadium.
The 31-year-old told the Mail on Sunday: "I'm just happy to be alive at the moment. It's been tough.
"But the support I've had has made me fight like a lion. No, that's wrong, more like fight like a Swan. The club, players and supporters mean so much to me.
"What they did during the game was unbelievable and I will be eternally grateful. The support has been amazing and I just wish I could thank everyone personally, but I know that's impossible."
He added: "I was awake on Saturday during the game, but if I'm honest I wasn't really with it.
"But I saw all the footage on the Sunday and it was really emotional. I had goose bumps everywhere. As soon as I'm strong enough I am coming to Swansea to see everyone. That's a promise."
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