My DS doesn't take a dummy but has found his fist, I have tried giving him a dummy to stop him sucking his fist/thumb but he either spits it straight out or tries to get his fist in under the dummy! Should I keep trying with the dummy? Hope that his fist sucking won't turn into full blown thumb sucking? Which is harder to get rid of in the long run or better / worse for bubs? Anyone in hindsight wish they didn't persist with a dummy or wish that they did? DS is just turned seven weeks.