The former Atletico Madrid forward has returned to Spain for international week.
Diego Costa remarked: â€œEverything is going well for me on the football side of things â€“ but the weather... (laughs).
"Jose Mourinhoâ€™s great, I get on well with him, thereâ€™s no problems at all."
He added: â€œIâ€™ve got a point to prove; to play well and score."
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