毕竟头像再美也不是我本人
[bì jìng tóu xiàng zài mĕi yĕ bù shì wŏ bĕn rén]
Translating literally to 'After all, even if the profile picture is beautiful, it's not me myself'. The owner wants to convey a self-deprecating tone, emphasizing that appearances can be misleading and one should look beyond appearance.