maybe you have been acting weird to him and he is suspecting that
if she has been eating a lot lately and acting weird
ask him what is wrong with you why have you been acting so weird so lately
She has been acting funny lately.
Tell them how weird they've been acting lately, show your concern, and say that you care about them and how you want them to be happy. Tell them how the way that they have been acting makes you feel.
Example sentence - He hasn't been acting like himself lately.
She retired from acting in 2012.
he hasn't been in any new movies lately but he might
well, maybe he wants to be more then friends. Ask him what the deal is, he is the only one that can tell you why he is behaving in this manner.
It means strange or unusual. Example: "My dog has been acting in a bizarre manner lately and has been barking and growling at its food before eating it."
This would depend on how exactly one defines 'strange'. See related link
He's been acting pretty weird recently, so I'm guessing he does...