1). there is difference between where you keep your talismans (especially for sex related spells) keeping the talisman to the right side of the body results as more agressive Yang vibes while the left side body more sensitive, Yin.
Optionally if you take piece of strap and attach talismans and wear it on your chest the energies will be more balanced. Usually when put talismans near of each chakra - the energy output will be far different.