Q MAGAZINE - Gisele Bündchen continues to spend time with her jiu-jitsu instructor, Joaquim Valente. According to TMZ, Bündchen and Valete enjoyed a beach day in Costa Rica. Despite sparking relationship rumors with her jiu-jitsu instructor, the supermodel has recently been linked to Jeffrey Soffer, one of Tom Brady's good friends. Bündchen and Valente were…