If she is so modest that shes covered up like a ninja, which Islam has no requirement of then she better stay home only.
This forbidding of mixed gatherings and ninja type dresses are all wahabi and mullah inventions. There is no such restriction in Islam.
As far as the marriage thing is concerned he is 100%, seen so many marriages go to hell because of desi parents sticking their nose into things.
First they won't let their children marry who they want. Aur wohi bahu shadi ke waqt jis ki maa ji ne selection ki thi us ki tarifay kerte thak thi nahi wohi lardki 2 manhinay baad ussi saas ko zehar lag rahi hoti.