That information is not disclosed and not used for other purposes than maintaining your profile on the website.
Sinhalese and Tamil are the two official languages of Sri Lanka with English being the common second language.
Another reason to consider finding yourself a Sri Lankan wife is the attitude these women have to house chores.
This way, newbies can check the functionality and interface of the service.
Men, returning within the evening, play with kids, prepare dinner and so on.
Your relationships are definitely important, but no more than your safety.