( formal )
1.
to begin to discuss or deal with sth :
Let's not enter into details at this stage.
2.
to take an active part in sth :
They entered into the spirit of the occasion (= began to enjoy and feel part of it) .
3.
[ no passive ] to form part of sth or have an influence on sth :
This possibility never entered into our calculations.
Your personal feelings shouldn't enter into this at all.