Weimann scored in last Saturday's 3-2 Premier League win over Manchester City and was one of eight players who started for Villa who were 25 or under.
"The whole team, it showed on Saturday again, we are all in it together," the Austrian international told Sky Sports News.
"We all want to be together and understand each other, we are a young team of the same age and obviously it helps us.
"We have that attitude where we will go to the end and that showed on Saturday."
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