class MakeCode{
    constructor (passion, programmingLove) {
        this.passion = passion,
        this.programmingLove = programmingLove
    }

    writeCode () {
        if (this.passion && this.programmingLove) {
            return "I'm a passionate of programming <3";
        }
    }
}

var myHeart = new MakeCode(true, true);

console.log(myHeart.writeCode());