Minum air pakai straw

Assalamualaikum ibu mama mami smua.. anak sy 7bln 16h. Smpai ari ni still masalah lg mnum air putih pkai straw.. skrg bg air guna method pipete je. Spe2 yg ada experience & tips cara nk bg pkai straw mntk tolong share ye . & Normal ke still xpndai pkai strw lg bby 7bln..Tq smua