Hi Tobias,
As much as you wanted to get rid of Kama tanha, you might have exerted too much on yourself. You might have wanted to take on an ariyan identity so badly, which is not a bad thing at all. Thus, bhava tanha. But sometimes while we take on one identity, we are also taking on an equal and opposite identity. i.e You do not want to go back to your old ways of acting like a putujjana. Hence, you might also be attached to vibhava tanha.
In Samyutta Nikāya 1 – Crossing The Flood
https://suttacentral.net/en/sn1.1
A devata asked the Blessed one…
“How, dear sir, did you cross the flood?”
“By not halting, friend, and by not straining I crossed the flood.”
“But how is it, dear sir, that by not halting and by not straining you crossed the flood?”
“When I came to a standstill, friend, then I sank; but when I struggled, then I got swept away. It is in this way, friend, that by not halting and by not straining I crossed the flood.”
No doubt when we are on the path, we will face many obstacles. I would think when we are called upon to perform our obligations and duties as a householder, just put on that householder hat and do our job dutifully without any transgression in our Dhamma practice.
Just my humble 2 cents worth.