London: Actor Daniel Radcliffe has been receiving some relationship advice from his 'Harry Potter' co-star Emma Watson. Radcliffe admits he often asks Watson for help when wooing girls, reports website.

“(We are) very much like brother and sister... We would help each other with relationship advice, particularly funny were the moments when we would help each other compose texts to the most recent flames in either of our lives,” magazine quoted as per he says.