No one is exactly from a love story, unless you count Aveline and Donnic and that's just because Varric wrote romances based on them.

[He studies her expression, trying to figure out if he should ask.]

Plenty of children have come from quick encounters. You don't have to marry the father if you don't want to, and you don't have to love him. What matters is you loving this child, and him loving this child. If he doesn't, fuck hi--

[Anders suddenly looks very amused, and wishes he could hide that amusement.]

Well. You already did that part. If he doesn't, show him the door. If he does, be civil. Children need love.