be potty about

动词着迷

1. 着迷：be pot and can in || 在(某件事情上)意见一致, 行动一致 | be potty about || 着迷 | be predisposed to || 本来爱好, 有的倾向 易患病

danci.911chaxun.com

1. Then you must be absolutely potty about her.
    你不该为她做愚蠢的事情。