Am I being toxic to my partner who recently got a good paying job?

My boyfriend recently landed a good paying job after lot of struggle , when he told me i was really happy for him and congratulated him... he is usually hyper and we have had talks to tone it down as he tends to overhsare when he is... for the first 3 phone calls with him i didn't say anything and kept on congratulating him... then after sometime he kept saying how he is going to go meet his friends and about the car he is going to buy... so at this point i told him to calm down... and to just take things one at a time... he felt offended by this and cut my call... he called and said he was going our with his friends... and i know it was drinking.. i just told him try to maintain a neutral reaction to things happening around u dont let it affect u , even when u lose try ro be neutral i feel that would be good for you.

To this he replied how disappointed he was on me and other stuffs like how it was his happiness and his day and i ruined it... i just told it to look out for him... am i overstepping here?

Am I being toxic to my partner who recently got a good paying job?
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