Help! My 2 month old is teething!

Lexis • Capricorn '95 ♡ #stonermom of 3 crazy kiddos ♡ Cali ♡ Taken by my Libra '91 ♡

I have 2 step kids and my first baby, I have no idea what's happening! How can I help my baby boy :( his little bottom teeth are there but I can't see them, and I think his gums look swollen? I feel helpless what can I do????