The Congo forward may return to Newcastle, the club who hold his registration, before the end of the season, by Lua-Lua insists he is happy at Fratton Park, and attributes this to his partnership with fellow striker Yakubu Ayegbini.
"The Yak and I are good friends and that is paying off when we play together," said Lua-Lua "Being happy off the pitch means I'm enjoying it more on the pitch."
