The on-loan striker made a promising start to his career with a debut goal at Wolves before questioning his treatment at Eastlands.
"It's too early to say whether I'll stay (at Tottenham)," he said, "but the love between Manchester City and myself is broken.
"I still have three years left on my contract and even at the end of this season, another two. I will decide on my career in April or May.
"Now, I want to help Tottenham. I have nothing to prove to Manchester City. Everyone in the country knows what I am capable of.
"I've got nothing to prove to them. What am I going to prove to Garry Cook and Brian Marwood?"