void show() {
        char zeroHp[3] = "";    zeroHp[2] = '\0';
        char zeroEn[3] = "";    zeroEn[2] = '\0';
        char zeroIq[3] = "";    zeroIq[2] = '\0';
        char zeroSa[3] = "";    zeroSa[2] = '\0';
        char zeroEx[3] = "";    zeroEx[2] = '\0';

        for(int i = 0; i < 2; ++i) {
            if(log10(hp)+1 < 3 - i) zeroHp[i] = '0';
            if(log10(iq)+1 < 3 - i) zeroIq[i] = '0';
            if(log10(sanity)+1 < 3 - i) zeroSa[i] = '0';
            if(log10(energy)+1 < 3 - i) zeroEn[i] = '0';
            if(log10(excitement)+1 < 3 - i) zeroEx[i] = '0';
        }

        cout << name << " " << surname << ": ";
        cout << "HP = " << zeroHp << hp << ", ";
        cout << "Energy = " << zeroEn << energy << ", ";
        cout << "IQ = " << zeroIq << iq << ", ";
        cout << "Sanity = " << zeroSa << sanity << ", ";
        cout << "Excitement = " << zeroEx << excitement << ".";

        if(is_alive())
            cout << '\n';
        else
            cout <<  " Game over." << '\n';
    }