He thinks that will carry Benteke on to big things between now and the end of the season.
He told Villa's website: "Christian is very strong. He came in and had an excellent season last time.
"The second season is always more difficult than the first one. There are more expectations and you need to live up to what you did in the first one.
"It has been hard for him and he has had some injuries but he is still working and still trying and he is getting back in shape now and back to scoring goals now.
"He is definitely going to be a big player for the club in the closing weeks.
"Strikers thrive on belief and confidence. They are like that.
"We work on confidence and the good feeling and getting into games with a lot of strength and positivity."
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