Re: HELP in Discernment of God's Will & Making Decisions Within It
Get a spiritual director, such as your parish priest. If you're discerning for a certain religious order/congregation, then your spiritual director is preferably a member of that group. Always recommended, but not strictly required.
The other one is that you always submit to the Church. If you think you're called to X (ex - become a priest for the diocese of Y) and the Church says you're not, then you're not called to X. That's what St. Therese of Lisieux said, always submit your will to the Church.
Other then that, it's different for every person. Sometimes people are encouraged at a young age, and sometimes it will just come to you during college. Spending quiet time in adoration is always recommended and encouraged.
Each vocation is unique, there's no way to have 1 all-encompassing method for every situation.
Environmental Engineer in Training
"God shows his love for us in that while we were yet sinners Christ died for us" - Romans 5:8