How do you say

I’ve worn this suit for a month, and it still fits me well.

..in Chinese?

这件衣服我穿了一个月了,依然很合身。

zhè jiàn yī fú wǒ chuān le yí gè yuè le , yī rán hěn hé shēn 。

How do you say "I haven’t seen him for three months – how is he?" in Chinese?