Procedural Text Printing on LCD Display

#include <LiquidCrystal.h>

const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

// CHANGE THESE TO CUSTOMIZE
char firstLine[] = "TOP LINE"; // TO CHANGE THE FIRST LINE, CHANGE WHAT'S IN THE QUOTATION MARKS
char secondLine[] = "BOTTOM LINE"; // TO CHANGE THE SECOND LINE, CHANGE WHATS IN THE QUOTATION MARKS

int firstLineLen = strlen(firstLine);
int len = strlen(secondLine);
void printMessage() {
  if (firstLineLen < 16) {
    for (int f = 0; f < firstLineLen; f++) {
      lcd.setCursor(f,0);
      lcd.print(firstLine[f]);
      delay(150);
    }
  } else {
    for (int g=0; g<13; g++) {
      lcd.setCursor(g, 0);
      lcd.print(firstLine[g]);
      delay(150);
    }
    for (int h=13; h<16; h++) {
      lcd.setCursor(h, 0);
      lcd.print(".");
      delay(50);
    }
  }
  if (len < 16) {
    for (int i=0; i < len; i++) {
      lcd.setCursor(i,1);
      lcd.print(secondLine[i]);
      delay(150);
    }
  } else {
    for (int j=0; j<13; j++) {
      lcd.setCursor(j, 1);
      lcd.print(secondLine[j]);
      delay(150);
    }
    for (int k=13; k<15; k++) {
      lcd.setCursor(k, 1);
      lcd.print(".");
      delay(50);
    }
  }
}

void setup() {
  lcd.begin(16, 2);
  printMessage();
}

void loop() {
}