Party Crasher Period

You are a visitor

I can stand

Every four weeks

Whether or not I understand 

---

You are there

for a reason

Even though you

make me lose all reason

---

Sadness, anger

fatigue and ache 

Once a month 

I’ll gladly take 

---

What I cannot take

Is your visit

Every other week

crashing my limit 

---

Once every four weeks

is a period.

Once every other week

is a comma,